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## Circular sector

en.wikipedia.org/wiki/Circular_sector

The area of the sector can be obtained by multiplying the circle's area by the ratio of the ... is the angle for the whole circle, in radians):.

## Area of Sectors and Segments of Circles - Regents Exam Prep Center

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

Let's review what we know about the area of circles and sectors. Area (circle). Area of sectors of circle (Sectors are similar to "pizza pie slices" of a circle.) Semi-  ...

## 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 circle.

## Sectors, Areas, and Arcs - Purplemath

www.purplemath.com/modules/sectors.htm

Sectors, Areas, and Arcs (page 1 of 2). The area A of a circle with radius r is given by A = πr<sup>2</sup>. The circumference C of that same circle is given by C = 2πr.

Jan 26, 2013 ... Watch and learn how to find the area of a given sector of a circle. This tutorial will first show how to identify what fraction of the circle is occupied ...
Feb 24, 2013 ... Visit www.doucehouse.com for more videos like this. In this video, I explain the definition of a sector and how to find the sector area of a circle.

## How Do You Find the Area of a Sector of a Circle? | Virtual Nerd

www.virtualnerd.com/pre-algebra/perimeter-area-volume/circles/circle-sector-area-examples/circle-sector-area

Keywords: sector; area; radius; solve for sector; pi; shaded region; central angle. Pre-Algebra ... A sector is just a fraction of the area of a circle. Did you know that ...

## Mathwords: Area of a Sector of a Circle

www.mathwords.com/a/area_sector_circle.htm

Area of a Sector of a Circle. The formula is given below. See also. Sector of a circle, radians, degrees. this page updated 21-feb-16. Mathwords: Terms and ...

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

www.coolmath.com/reference/circles-trigonometry

circle graphic. Sector area of a circle in radians: Sector Area = circle graphic. Sector area of a circle in degrees: Sector ...

Apr 26, 2010 ... Check us out at http://math.tutorvista.com/geometry/area-of-a-sector.html Area of Sector of a Circle A portion of a disk whose upper boundary is ...
How to Calculate the Area of a Sector of a Circle
Choosing the biggest slice of pizza may seem like an intuitive skill but is really a matter of mathematics. A perfect slice, cut from the middle of the pizza, can be thought of as a sector of a circle. A sector has three boundaries, comprising two radii... More »
Difficulty: Moderately Easy
Source: www.ehow.com

### Area of a sector | Sectors | Khan Academy

Sal finds the area of a circle's sector using the area of the circle and the central angle of the sector.

### Circle Sector and Segment - Math is Fun

www.mathsisfun.com

Area of a Sector. You can work out the Area of a Sector by comparing its angle to the angle of a full circle. Note: we are using radians for the angles. circular ...

### Area of a sector - BBC

www.bbc.co.uk

Arcs and Sectors. Arc length is a fraction of circumference, calculated using the angle at centre and diameter. Area of a sector is area of a fraction of a circle, ...