How to find the area of a sector (circles)?

Question

Could someone walk me through the steps, I cant seem to get it right :(

Answer 1

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Area of the sector (A) / Area of the Circle (PI * r^2) = central angle measure / 360

Solve it as a proportion like this, or use this simplified equation:

Area of the sector (A) = Central angle measure / 360 * PI * r^2