What is the semicircle's perimeter?

0.214

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0.314

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0.414

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0.514

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Solution

The correct option is C $0.514$ cm
Diameter $= 0.2$ cm
Perimeter of the semicircle $=$ $\frac{π d}{2} + d$
$= \frac{3.14 \times 0.2}{2} + 0.2$
$= 0.314 + 0.2$
$= 0.514$
Perimeter of the semicircle $= 0.514$ cm.

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