How to find area of a sector of a circle

Asked by admin @ 07/11/2021 in Mathematics viewed by 366 People

The area A of a sector of a circle is given by A=πr²s/360, where r is the radius of the circle and s is the angle measure(in degrees) of the sector. Solve the equation for s to find the angle measure given the radius and area of the circle.

Answered by admin @ 07/11/2021

$A= \frac{ \pi r^2s}{360} \\ \\ \pi r^2s=360A \\ \\ s= \frac{360A}{ \pi r^2}$

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