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Part of a circle between two points
A circular arc is the arc of a circle between a pair of distinct points. If the two points are not directly opposite each other, one of these arcs, the
Circular_arc
Area bounded by a circular arc and a straight line
More formally, a circular segment is a plane region bounded by a circular arc (of less than π radians by convention) and the circular chord connecting
Circular_segment
Intersection graph for a set of arcs on a circle
In graph theory, a circular-arc graph is the intersection graph of a set of arcs on the circle. It has one vertex for each arc in the set, and an edge
Circular-arc_graph
Triangle with circular arc edges
In geometry, a circular triangle is a triangle with circular arcs instead of line segments for edges. The intersection of three circular disks forms a
Circular_triangle
Circular arc along the Hudson Bay coastline
prominent, near-perfect circular arc, covering more than 160° of a 450-kilometre-diameter (280 mi) circle. While the circular shape has led to suggestions
Nastapoka_arc
Portion of a disk enclosed by two radii and an arc
triangle formed by the center of the circle and the two endpoints of the circular arc on the boundary. Circle-circle intersection Conic section Earth quadrant
Circular_sector
Geometric line segment whose endpoints lie on a circular arc
of a circle is a straight line segment whose endpoints both lie on a circular arc. If a chord were to be extended infinitely on both directions into a
Chord_(geometry)
Shape with three sides
triangle is a shape with three curved sides, for instance, a circular triangle with circular-arc sides. (This article is about straight-sided triangles in
Triangle
Boat hull design
The circular arc hull is a design for boat hulls created by Swedish engineer Fredrik Ljungström. In the 1930s and 1940s, Ljungström designed and built
Circular_arc_hull
circle Circular triangle Reuleaux triangle Circumcircle Disc Incircle and excircles of a triangle Nine-point circle Circular sector Circular segment
List of two-dimensional geometric shapes
List_of_two-dimensional_geometric_shapes
Concept in geometry
angle subtended by an arc of a curve is the angle subtended by the corresponding chord of the arc. For example, a circular arc subtends the central angle
Subtended_angle
Distance from an arc's midpoint to the midpoint of its chord
abbreviated as sag, plural is sagittae) of a circular arc is the distance from the midpoint of the arc to the midpoint of its chord. It is used extensively
Sagitta_(geometry)
QUADRANT CIRCULAR ARC U+25DD ◝ UPPER RIGHT QUADRANT CIRCULAR ARC U+25DE ◞ LOWER RIGHT QUADRANT CIRCULAR ARC U+25DF ◟ LOWER LEFT QUADRANT CIRCULAR ARC U+25E0
List of Unicode circle symbols
List_of_Unicode_circle_symbols
Oval made by smoothly connecting four circular arcs
Euclidean geometry, Moss's egg is an oval made by smoothly connecting four circular arcs. It can be constructed from a right isosceles triangle ABC with apex
Moss's_egg
Shape with same width in all directions
and the Reuleaux triangle. These curves can also be constructed using circular arcs centered at crossings of an arrangement of lines, as the involutes of
Curve_of_constant_width
Intermittent motion mechanism
producing a single-dwell: arc-based and linear-based. An arc-based single dwell linkage uses the approximation of a circular arc. The concept for linkage
Dwell_mechanism
Geometric construction
a non-convex plane region bounded by one 180-degree circular arc and one 90-degree circular arc. It is the first curvilinear figure that has been squared—that
Lune_of_Hippocrates
Geometric shape
C^{\infty }} , as joins between separate curves no longer exist In case circular arc primitives are not supported in a particular environment, they may be
Composite_Bézier_curve
U.S. boundary between Pennsylvania and Delaware
approximately circular arc that forms most of the boundary between Delaware and Pennsylvania. It is a combination of different circular arcs that have been
Twelve-Mile_Circle
Meteorological phenomenon
appearing in the sky. The rainbow takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly
Rainbow
Machine that produces a circular arc shape from sheet metal or bars
mechanical jig having three rollers used to bend a metal bar into a circular arc. The rollers freely rotate about three parallel axes, which are arranged
Roll_bender
Fastest curve descent without friction
cycloidal arc, which is shown in Fig. 3 for the path from A to B, and Fig.4 for the path from D to B, superposed on the respective circular arc. Johann
Brachistochrone_curve
Geometric shape
revolution of a circular arc of angle less than half of a full circle rotated about an axis passing through the endpoints of the lens (or arc). The surface
Lemon_(geometry)
SI derived unit of solid angle
analogous to the way a plane angle projected onto a circle delineates a circular arc on the circumference, whose length is proportional to the angle. Steradians
Steradian
Constant-width curve of equal-radius arcs
geometry, a Reuleaux polygon is a curve of constant width made up of circular arcs of constant radius. These shapes are named after their prototypical
Reuleaux_polygon
Topics referred to by the same term
Arc in Wiktionary, the free dictionary. Arc may refer to: Arc (geometry), a segment of a differentiable curve Circular arc, a segment of a circle Arc
Arc
Measure of a bend's roundness
Degree of curve or degree of curvature is a measure of curvature of a circular arc used in civil engineering for its easy use in layout surveying. The degree
Degree_of_curvature
Mathematically-calculated curve in which a straight section changes into a curve
typically a sequence of straight line (i.e., a tangent) and curve (i.e. a circular arc) segments connected by transition curves. The degree of banking in railroad
Track_transition_curve
Nonlinear differential operator used to study conformal mappings
quadrilaterals in terms of the Lamé differential equation. Let Δ be a circular arc polygon with angles π α 1 , … , π α n {\displaystyle \pi \alpha _{1}
Schwarzian_derivative
Weight suspended from a rope which swings in a circular or elliptical path
ordinary pendulum; however, instead of swinging back and forth along a circular arc, the bob of a conical pendulum moves at a constant speed in a circle
Conical_pendulum
Radius of the circle which best approximates a curve at a given point
reciprocal of the curvature. For a curve, it equals the radius of the circular arc which best approximates the curve at that point. For surfaces, the radius
Radius_of_curvature
Simple curve of Euclidean geometry
360 degrees, or one turn. Using radians, the formula for the arc length s of a circular arc of radius r and subtending a central angle of measure 𝜃 is
Circle
Distance along a curve
Arc length is the length of a curve from beginning to end. Conceptually, if we imagined the curve as a string, the arc length is how long the string would
Arc_length
Swedish sailboat
in sailing since childhood. A "Ljungström sailboat" typically has a Circular arc hull and a Ljungström rig. A Ljungström rig mast has no mast stays. The
Ljungström_sailboat
Displacement measured angle-wise when a body is showing circular or rotational motion
minimum and maximum angles of rotation admited; this interval delimits a circular arc, spans a flat pencil of lines, and subtends a given angular separation
Angular_displacement
and water in white, beneath a circular arc of five golden five-pointed stars: one large star in the center of the arc with two smaller stars on each
Flag_of_Macau
Geometric shape
one-dimensional locus of points that forms half of a circle. It is a circular arc that measures 180° (equivalently, π radians, or a half-turn). It only
Semicircle
Higher values of one variable leading to lower values of the other
between them is the cosine of the circular arc of separation of the points on a great circle of the sphere. When this arc is more than a quarter-circle (θ
Negative_relationship
Curved triangle with constant width
have an odd number of circular-arc sides, it is possible to construct constant-width shapes with an even number of circular-arc sides of varying radii
Reuleaux_triangle
Momentum curve of a rope
though, it can be approximated by a pair of line segments spanned by a circular arc (tangential to the line segments at its endpoints). The form of a troposkein
Troposkein
Shape with ten sides
construction element. In the construction with given circumcircle the circular arc around G with radius GE3 produces the segment AH, whose division corresponds
Decagon
Roundly tapered end of a two- or three-dimensional object
of revolution of the same curve that forms a Gothic arch; that is, a circular arc, of greater radius than the diameter of the cylindrical section ("shank")
Ogive
Convex plane region bounded by two circular arcs
convex region bounded by two circular arcs joined to each other at their endpoints. In order for this shape to be convex, both arcs must bow outwards (convex-convex)
Lens_(geometry)
Bright spot on a lunar halo
circumzenithal arc and the 22° halo. These features often occur together in the sky, and the 22° halo can seem to link the two moon dogs in a circular arc around
Moon_dog
Complex exponential in terms of sine and cosine
"modulus" is a conversion factor that transforms a measure of angle into circular arc length (here, the modulus is the radius (CE) of the circle). According
Euler's_formula
Function used in computer graphics
Some special cases of slerp admit more efficient calculation. When a circular arc is to be drawn into a raster image, the preferred method is some variation
Spherical linear interpolation
Spherical_linear_interpolation
aforementioned chevrons, close with two 8 mm wide arched lines, in the shape of a circular arc with the concave side facing inward,with a chord length of 90 millimeters
Greek_military_ranks
Apparent motion of celestial objects around Earth
Earth's rotation around its axis, so almost every star appears to follow a circular arc path, called the diurnal circle, often depicted in star trail photography
Diurnal_motion
Three-dimensional curved geometric object
same shape may be also formed as the convex hull of the two remaining circular arcs each spanning an angle of 4π/3. The surface area of an oloid is given
Oloid
straight line, other meridians as complex curves, and parallels as circular arcs. Azimuthal In standard presentation, azimuthal projections map meridians
List_of_map_projections
Shape formed by intersecting four balls
curved faces: four vertices, and four curved faces, connected by six circular-arc edges. This shape is defined and named by analogy to the Reuleaux triangle
Reuleaux_tetrahedron
Mathematical idealization of the trace left by a moving point
is an arc of a circle, called a circular arc. In a sphere (or a spheroid), an arc of a great circle (or a great ellipse) is called a great arc. If X =
Curve
Part of a number in scientific notation
since "the argument of a number" sometimes refers to the length of a circular arc from 1 to a number on the unit circle in the complex plane. The number
Significand
Technique of measuring distances with a telescopic instrument
when the length of a circular arc equals the radius of the circle, a milliradian is the angle formed when the length of a circular arc equals 1/1000 of the
Stadiametric_rangefinding
Inverse functions of sin, cos, tan, etc.
correspond to an arc whose length is rθ, where r is the radius of the circle. Thus in the unit circle, the cosine of x function is both the arc and the angle
Inverse trigonometric functions
Inverse_trigonometric_functions
biarc is a smooth curve formed from two circular arcs. In order to make the biarc smooth (G1 continuous), the two arcs should have the same tangent at the
Biarc
Technique of determining the radius of Earth
curvature at the midpoint of the meridian arc can then be determined inverting the great-circle distance (or circular arc length) formula: R = Δ ′ | ϕ s − ϕ
Arc_measurement
1997 video game
maneuvers; in other words it lets the player dive around the ring in a circular arc as part of their attacks and defensive moves. The orbiting camera smoothly
War_Gods_(video_game)
Numerical invariant of graphs
time on interval graphs, as well as on permutation, trapezoid, circular-arc, circular permutation graphs, and cocomparability graphs of bounded dimension
Tree-depth
Medical diagnostic technology
is rapidly swept along a tungsten anode in the tube, tracing a large circular arc on its inner surface. The vast majority of CT scanners in clinical use
Electron beam computed tomography
Electron_beam_computed_tomography
Polygon with 18 edges
angle AMC (also 60°) with four angle bisectors and make a thirds of circular arc MON with an approximate solution between angle bisectors w3 and w4. Straight
Octadecagon
Canadian mathematician and computer scientist
matching problem" with David Kirkpatrick, and "List homomorphisms and circular arc graphs" with Tomas Feder and Jing Huang. He is a managing editor of the
Pavol_Hell
Graph drawing with vertices on a circle
For circular layouts of regular graphs, with edges drawn both inside and outside as circular arcs, the angle of incidence of one of these arcs with the
Circular_layout
Marks used to indicate points on a visual scale
non-cylindrical shape. Circular graduations of a scale occur on a circular arc or limb of an instrument. In some cases, non-circular curves are graduated
Graduation_(scale)
Sphere with radius one, usually centered on the origin of the space
sectional curvature of 1, which simplifies calculations. In trigonometry, circular arc length on the unit circle is called radians and used for measuring angular
Unit_sphere
Edge of the visible surface of the Moon
(disc) of the Moon as viewed from Earth. Seen from afar, it looks like a circular arc, but with higher resolution, it can be seen that the Moon’s surface is
Lunar_limb
Model of hyperbolic geometry
all points are inside the unit disk, and straight lines are either circular arcs contained within the disk that are orthogonal to the unit circle or
Poincaré_disk_model
quadrant circular arc U+25DD ◝ Upper right quadrant circular arc U+25DE ◞ Lower right quadrant circular arc U+25DF ◟ Lower left quadrant circular arc U+25E0
List_of_Unicode_characters
Universality of construction using just a straightedge and a single circle with center
center to be removed or the circle to be relaxed into an incomplete circular arc. If the center of the circle is removed, leaving only a single circle
Poncelet–Steiner_theorem
Trigonometric function defined as secant minus one
are both natural quantities to measure or calculate when surveying circular arcs, which must subsequently be multiplied or divided by other quantities
Exsecant
Topics referred to by the same term
refer to: Sector, West Virginia, U.S. Circular sector, the portion of a disc enclosed by two radii and a circular arc Hyperbolic sector, a region enclosed
Sector
Process used to cut teeth into gears
production. To circumvent this problem, a special war-time emergency circular arc gear standard was produced giving a series of close-to-cycloidal forms
Hobbing
Shape with six sides
When the side length AB is given, drawing a circular arc from point A and point B gives the intersection M, the center of the circumscribed circle. Transfer
Hexagon
Rotating circular machine part with teeth that mesh with another toothed part
teeth Circular thickness Length of arc between the two sides of a gear tooth, on the specified datum circle. Transverse circular thickness Circular thickness
Gear
Type of arch with a circular arc of less than 180 degrees
A segmental arch is a type of arch with a circular arc of less than 180 degrees. It is sometimes also called a scheme arch. The segmental arch is one of
Segmental_arch
the beginning of each quarter and after each goal. Two fifty-metre arcs: a circular arc at each end of the field drawn between the boundary lines at a distance
Australian rules football playing field
Australian_rules_football_playing_field
circumferential arcs must be created. In addition, a linear transverse line will not divide the radial grid into equal segments. Circular arc segments must
Transversal (instrument making)
Transversal_(instrument_making)
Rectangular playing surface, with baskets at each end
for long periods (maximum three seconds). The no charge zone arc is a semi-circular arc drawn around the area directly underneath the basket. With some
Basketball_court
Recreational mathematics planar boundary and area problem
in the fourth quadrant is a nearly circular arc. One can imagine a circular segment with the same perimeter (arc length) would enclose nearly the same
Goat_grazing_problem
Distance along a portion of a meridian, for use in geodesy
On a sphere, the meridian arc length is simply the circular arc length. On an ellipsoid of revolution, for short meridian arcs, their length can be approximated
Meridian_arc
Quantity in relativistic physics
α (Lorentz factor inverse) as a function of velocity—a circular arc
Lorentz_factor
Polygon with 15 edges
{MG}}} as radius A H ¯ {\displaystyle {\overline {AH}}} for the second circular arc (angle 36°). A compass and straightedge construction for a given side
Pentadecagon
Problem of finding the longest simple path for a given graph
exploited to obtain polynomial-time algorithms on the greater classes of circular-arc graphs and of co-comparability graphs (i.e. of the complements of comparability
Longest_path_problem
Map projection historically used for maps of the United States
which consists of map projections whose parallels are non-concentric circular arcs except for the equator, which is straight. Often the American polyconic
American_polyconic_projection
English mathematician (1682–1716)
"modulus" is a conversion factor that transforms a measure of angle into circular arc length (here, the modulus is the radius (CE) of the circle). According
Roger_Cotes
radii of a circle Circular sector – Portion of a disk enclosed by two radii and an arc Circular segment – Area bounded by a circular arc and a straight line
List_of_circle_topics
1970s, Gabriel Liebermann discovered that a scratch in the shape of a circular arc produces glints whose motion is approximately consistent with binocular
Specular_holography
Field of mathematics dealing with three-dimensional Euclidean spaces
A lens (or less than half of a circular arc) rotated about an axis passing through the endpoints of the lens (or arc) Hyperboloid A surface that is generated
Solid_geometry
Conformal mappings in complex analysis
upper half plane to a triangle in the upper half plane having lines or circular arcs for edges. The target triangle is not necessarily a Schwarz triangle
Schwarz_triangle_function
Graph drawing with vertices on a line
An arc diagram is a style of graph drawing, in which the vertices of a graph are placed along a line in the Euclidean plane and edges are drawn using
Arc_diagram
Crescent shape bounded by two circular arcs
(from Latin luna 'moon') is the concave-convex region bounded by two circular arcs. It has one boundary portion for which the connecting segment of any
Lune_(geometry)
Removal of material from a workpiece using rotating tools
rapid traverse G01 – linear interpolation of tool G02 - circular arc clockwise (cw) G03 - circular arc counter-clockwise (ccw) G20 - dimensions in inch G21
Milling_(machining)
Plane curve drawn by an odd number of circular arcs
profile formed by a sequence of circular arcs, each tangent to its neighbors, resulting in a smooth transition between arcs. The shape of a basket-handle
Basket-handle_arch
Combat sport and martial art
bolo punch is an arm punch which owes its power to the shortening of a circular arc rather than to transference of body weight; it tends to have more of
Boxing
Pistonless trochoidal rotor engine
inner rotor and an outer rotor formed by a circle with intersecting circular arcs. Gerotor pumps are widely used in the pressure lubrication systems of
Gerotor
Initial Graphics Exchange Specification
small IGES file from 1987, containing only two POINT (Type 116), two CIRCULAR ARC (Type 100), and two LINE (Type 110) entities. It represents a slot, with
IGES
Azimuthal equal-area map projection
intersects the hemisphere in a circular arc, called the trace of the plane, which projects down to a curve (typically non-circular) in the disk. One can plot
Lambert azimuthal equal-area projection
Lambert_azimuthal_equal-area_projection
Use of data from motion sensors to estimate change of its position over time
traces a circular arc in the clockwise direction. Since one's unit of distance is usually tiny, one can approximate by assuming that this arc is a line
Odometry
Point on a line segment which is equidistant from both endpoints
circular arcs of equal (and large enough) radii centered at the two endpoints, then connecting the cusps of the lens (the two points where the arcs intersect)
Midpoint
Polygon with many longest diagonals
curves of constant width made up of circular arcs of constant radius, by subdividing and straightening the arcs of a Reuleaux polygon into equal-length
Reinhardt_polygon
travel, tourism, insurance
CIRCULAR ARC
CIRCULAR ARC
Surname or Lastname
English
English : probably from a variant of Archer, but in some cases it could be of Scottish origin, from a pet form of Archibald.
Boy/Male
Latin
Archer.
Girl/Female
Latin
From Arcanania.
Surname or Lastname
English
English : habitational name from Turnham in East Yorkshire or Turnham Green in West London, both of which are so named from an Old English trun ‘circular’, probably denoting a U-shaped bend in a river, + hamm ‘water meadow’ or hÄm ‘homestead’.
Surname or Lastname
English (Essex, Cambridgeshire)
English (Essex, Cambridgeshire) : possibly a variant of Trendall, a topographic name for someone who lived by a well, earhwork, stone circle, or other circular feature, from Middle English trendel, trandle ‘circle’ (Old English trendel).Possibly an altered spelling of South German Tröndle, a variant of Trendle, a nickname for a tearful person, from Träne ‘tear’ + the diminutive suffix -l.
Boy/Male
Tamil
Lord vishnus weapon, Circular
Female
Spanish
Variant form of Spanish Araceli, ARCELIA means "altar of the sky."
Boy/Male
Hindu
Lord vishnus weapon, Circular
Male
French
French form of German Archimbald, ARCHIMBAUD means "genuine courage."
Boy/Male
British, English
Good with Bow and Arrow; A Diminutive of Archibald; True and Bold
Surname or Lastname
English
English : occupational name from Middle English archedekene ‘archdeacon’ (Old English arcedīacon, Old French arc(h)ediacne), probably denoting someone in the service of an archdeacon.
Boy/Male
Indian, Sanskrit
Circular; Resembles a Wheel
Surname or Lastname
English
English : from Old French arch(i)er, Middle English archere, hence an occupational name for an archer. This Norman French word partially replaced the native English word bowman in the 14th century. In North America this surname may have absorbed some cases of European cognates such as French Archier.
Boy/Male
Greek Latin
In Greek mythology, Arcas was the son of Jupiter and Callisto and son of Zeus.
Male
German
Variant form of German Ercanbald, ARCHIMBALD means "genuine courage."
Surname or Lastname
Americanized spelling of Dutch Schutte ‘archer’.English
Americanized spelling of Dutch Schutte ‘archer’.English : occupational name for a scout or spy, or a nickname for someone who behaved like one, from Middle English scut ‘scout’ (Old French escoute, from escouter ‘to listen’).English : nickname for a swift runner, from Middle English scut ‘hare’.
Boy/Male
English American French Latin
Bow, a bowman. Derived from a surname of Latin origin borne by skilled Middle Ages archers. It...
Surname or Lastname
English
English : topographic name for someone living by a bridge, from Middle English, Old French arche ‘arch’.Possibly Jewish : a translation into English of Bogen.
Male
Italian
Italian name ARCANGELO means "archangel."
Boy/Male
Indian, Sanskrit
Circular; Resembles a Wheel
CIRCULAR ARC
CIRCULAR ARC
CIRCULAR ARC
CIRCULAR ARC
CIRCULAR ARC
CIRCULAR ARC
CIRCULAR ARC
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