If the diameter of a semicircular protractor is $14 c m$ , then the perimeter of the protractor is:

26 c m

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14 c m

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28 c m

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36 c m

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Solution

The correct option is C $36 c m$
Diameter of semicircular protractor $= 14$ cm
Perimeter of semicircular protractor $= π r + d i a m e t e r$
$= \frac{22}{7} \times \frac{14}{2} + 14 = 22 + 14 = 36 c m$

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