the circumference of a circle is 132cm. a quadrant is cut off from the circle. find the area of the quadrant.
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Circumference of the circle = 2 π r
132 = 2 x 3.14 x r
132 = 6.28 x r
r = 132/6.28
r = 21.02
Area of a quadrant = 1/4 x π x r x r
= 1/4 x 3.14 x 21.02 x 21.02
= 346.84 sq cm
132 = 2 x 3.14 x r
132 = 6.28 x r
r = 132/6.28
r = 21.02
Area of a quadrant = 1/4 x π x r x r
= 1/4 x 3.14 x 21.02 x 21.02
= 346.84 sq cm
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