Question

How to find area of circle With radius and central angle

Answer 1

Answer:

A=πr2...

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Answer 2

If you know the central angle

Area = π r 2 × C / 360

where:

C is the central angle in degrees

r is the radius of the circle of which the sector is part.

π is Pi, approximately 3.142

This is the method used in the animation above.