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The circumference of a circle is 22 cm. Find the area of its quadrant. |
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Answer» Circumference of a circle = 22 cm That is, 2πr = 22 2 x 22/7 x r = 22 r = 7/2 cm Area of quadrant of circle = 1/4 πr2 = 1/4 x 22/7 x 7/2 x 7/2 = 77/8 Area of quadrant of circle is 77/8 cm2 |
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