The formula for finding the area of a sector of a circle is A=π r 2 (x 360) A=πr2 (x360), where r is the radius of the circle and x is the measure of the central angle of the sector.

Solve for x.

x=

Aπ

r

2

360

x=

A

360π

r

2

x=

360π

r

2

A

x=

360A

π

r

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