Find the area of the sagment of a circle , if angle of the sactor is 90° and the radius of the circle is 21cm
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area = (90/360) * pi*21^2
area = (1/4)* 1386 cm^2
area = 346.5 cm^2.
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area = (1/4)* 1386 cm^2
area = 346.5 cm^2.
I hope it helps you.
thanks for asking.
please rate it.
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