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## Circular sector - Wikipedia

en.wikipedia.org/wiki/Circular_sector

The total area of a circle is πr<sup>2</sup>. The area of the sector can be obtained by multiplying the circle's area by the ratio of the angle and 2π ...

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

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

Notice that when finding the area of a sector, you are actually finding a fractional part of the area of the entire circle. The fraction is determined by the ratio of the ...

## What is the Formula for the Area of a Sector of a Circle? | Virtual Nerd

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

... area of a sector? In this tutorial, you'll learn how to find that formula! Take a look! Keywords: area; circle; sector; area of sector; central angle; radius; n; degree.

## 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

... how to use given information and the formula for the area of a sector to find the answer. ... sector; area; radius; solve for sector; pi; shaded region; central angle.

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.

## 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.

## Area of a sector | Sectors (video) | Khan Academy

A worked example of finding the area of a circle's sector using the area of the circle and the central angle of the sector.

## Finding the Area of a Sector: Formula & Practice Problems - Video ...

In this lesson, you'll review your knowledge of circle vocabulary and then discover how to calculate the area of a sector of a circle. The lesson covers finding the ...

## Area of a sector - BBC

www.bbc.co.uk/education/guides/ztg9q6f/revision/2

In National 5 Maths calculate the arc length and area of a sector using the circumference and ... The formula used to calculate the area of a sector of a circle is:.

## Area of a Sector - BBC

www.bbc.co.uk/bitesize/intermediate2/mathematics/mathematics_1/circle/revision/2/

Area of a Sector. Remember that the Area of a circle = \pi r^2. The formula used to calculate the Area of a Sector of a circle, as the sector is a fraction of the area ...

### Mathwords: Area of a Sector of a Circle

www.mathwords.com

Area of a Sector of a Circle. The formula is given below. ... Mathwords: Terms and Formulas from Algebra I to Calculus written, illustrated, and webmastered by ...

### Sectors, Areas, and Arcs - Purplemath

www.purplemath.com

Explains formulas for areas of sectors of circles and lengths of arcs. Demonstrates how to use the ... The area A of a circle with radius r is given by A = πr<sup>2</sup>.

### Circle Sector and Segment - Math is Fun

www.mathsisfun.com

You can work out the Area of a Sector by comparing its angle to the angle of a ... is a lengthy reason, but the result is a slight modification of the Sector formula:.