utets13 q108

0. A semi-circular shaped window has diameter 49 cm. Its perimeter will be (π = 22/7 )

Answer
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Option : B
Explanation : (B) Diameter of semi-circle = 49cm

Perimeter = πr+d
= 22/7 × 49/2 + 49
= 77 + 49 = 126 cm

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