A circular sector, also known as circle sector or disk sector or simply a sector (symbol: ⌔), is the portion of a disk (a closed region bounded by a circle)...

tapers smoothly from a flat base (frequently, though not necessarily, circular) to a point called the apex or vertex. A cone is formed by a set of line...

a circular flow. The four-sector model adds the foreign sector to the three-sector model. (The foreign sector is also known as the "external sector,"...

{\displaystyle s={\theta }R} The area a of the circular segment is equal to the area of the circular sector minus the area of the triangular portion (using...

Look up sector in Wiktionary, the free dictionary. Sector may refer to: Sector, West Virginia, U.S. Circular sector, the portion of a disc enclosed by...

{\displaystyle {\sqrt {2}}} , analogous to the circular angle equaling the area of a circular sector in a circle with radius 2 {\displaystyle {\sqrt...

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...

circle Circular triangle Reuleaux triangle Circumcircle Disc Incircle and excircles of a triangle Nine-point circle Circular sector Circular segment...

beyond the circular functions. Both types depend on an argument, either circular angle or hyperbolic angle. Since the area of a circular sector with radius...

separated. Circular sector — the analogous 2D figure. Spherical cap Spherical segment Spherical wedge Weisstein, Eric W. "Spherical sector". MathWorld...

A circular economy (also referred to as circularity or CE) is a model of resource production and consumption in any economy that involves sharing, leasing...

Washington, D.C. Quadrant (circle), a circular sector equal to one-quarter of a circle Quadrant (plane geometry), a sector of a two-dimensional Cartesian coordinate...

or twice the area of the corresponding circular sector. Alternately hyperbolic angle is the area of a sector of the hyperbola x y = 1. {\displaystyle...

(/ɡoʊˈdeɪ/ or /ɡoʊˈdɛt/) is an extra piece of fabric in the shape of a circular sector which is set into a garment, usually a dress or skirt. The addition...

, {\displaystyle s=\theta r,} and the formula for the area A of a circular sector of radius r and with central angle of measure 𝜃 is A = 1 2 θ r 2 ...

based on a Rub el Hizb, albeit with circular sectors added to meet office space requirements. The circular sectors are similar to the bottom part of the...

centroids Second polar moment of area "Circle". eFunda. Retrieved 2006-12-30. "Circular Half". eFunda. Retrieved 2006-12-30. "Quarter Circle". eFunda. Retrieved...

for a convex cover. In the 1970s, John Wetzel conjectured that a 30° circular sector of unit radius is a cover with area π / 12 ≈ 0.2618 {\displaystyle...

grazing a circular area: the interior grazing problem and the exterior grazing problem. The former involves grazing the interior of a circular area, and...

of a circular sector to the area of a hyperbolic sector, via a common stereographic projection. If twice the area of the blue hyperbolic sector is ψ,...

Math Open Reference". "Quarter Circle". eFunda. Retrieved 23 April 2016. "Circular Half". eFunda. Retrieved 23 April 2016. http://www.engineering...

function relates a hyperbolic angle measure ψ {\textstyle \psi } to a circular angle measure ϕ {\textstyle \phi } called the gudermannian of ψ {\textstyle...

an object "through" the disk, preferably through a relatively small circular sector of the disk (the viewport), for example, an angular quarter or eighth...

hyperbolic sector and a circular sector since the areas of these sectors correspond to the angle magnitudes in each case. Unlike the circular angle, the hyperbolic...

first quadrant. In the diagram, let R1 be the triangle OAB, R2 the circular sector OAB, and R3 the triangle OAC. The area of triangle OAB is: A r e a...

nativity plays. Constructed of steel, the tree is actually a conical circular sector where between one-third and one-half of an actual Christmas tree is...

Orthogonal Polar coordinate system Pole Real axis Secant line Circular sector or "sector" Semiperimeter Symmetry Shape Pattern Crystal system Frieze group...

⋅ | z s x | . {\displaystyle |zsp|={\frac {b}{a}}\cdot |zsx|.} The circular sector area | z c y | = a 2 M 2 . {\displaystyle |zcy|={\frac {a^{2}M}{2}}...

A galactic quadrant, or quadrant of the Galaxy, is one of four circular sectors in the division of the Milky Way Galaxy. In actual astronomical practice...

of any regular polygon, computation of the area of any polygon or circular sector, and a variety of other calculations. Under Galileo's direction, instrument...