Web Results

## Arc (geometry) - Wikipedia

en.wikipedia.org/wiki/Arc_(geometry)

To get the area of the arc segment, we need to subtract the area of the triangle, determined by the circle's center and the two ...

## Sectors, Areas, and Arcs - Purplemath

www.purplemath.com/modules/sectors.htm

Explains formulas for areas of sectors of circles and lengths of arcs. Demonstrates how to use the formulas in each of degrees and radians.

## Cool math .com - The Trigonometry of Circles - arc length, area of a ...

www.coolmath.com/reference/circles-trigonometry

Definitions and formulas for the arc and the arc length of a circle, sector and the area of the sector of a circle, the unit circle, the angles on the unit circle in ...

## Cool math .com - The Geometry of Circles - Radius, Diameter ...

www.coolmath.com/reference/circles-geometry

Definitions and formulas for the radius of a circle, the diameter of a circle, the circumference (perimeter) of a circle, the area of a circle, the chord of a circle, arc  ...

## Circle Sector and Segment - Math is Fun

www.mathsisfun.com/geometry/circle-sector-segment.html

And the Segment, which is cut from the circle by a "chord" (a line between two ... You can work out the Area of a Sector by comparing its angle to the angle of a ...

## Area of a sector of a circle - Math Open Reference

www.mathopenref.com/arcsectorarea.html

The formula used to find the area of a circlular sector - a pie-shaped part of a ... Area. = R. L. 2. where: L is the arc length. R is the radius of the circle of which the  ...

## Arc Length definition - Math Open Reference

www.mathopenref.com/arclength.html

Definition of arc length and formula to calculate it from the radius and central angle of the arc.

## Circular Segment -- from Wolfram MathWorld

mathworld.wolfram.com/CircularSegment.html

of the (shaded) segment is then simply given by the area of the circular sector ( the entire wedge-shaped ... so the geometric centroid of the circular segment is ...

## Area of Sectors - Regents Exam Prep Center

www.regentsprep.org/regents/math/geometry/gp16/circlesectors.htm