(vii) If the length of radius of a semicircular plate is 10-5 cm., then the perimeter of the semi circular plate is (a) 2 71 X 10.5 cm. (b) (7+2)x10-5 cm. (c) 2(71+1)x10-5 cm. (d) (16+1) 10.5 cm
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The answer is 53.97cm .
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