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From a circular card sheet of radius 5 cm, a circular sheet of radius of 4 cm is removed. Find the area of the remaining sheet. (π = 3.14) |
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Answer» Area of sheet (R) = 5 cm Radius of circle (r) = 4 cm Area of remaining part = πR2 – πr2 = π(R2 – r2) = 3.14(52 – 42) = 3.14(25 – 16) = 3.14 x 9 = 28.26 sq. cm |
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