If the diameter of a semi-circular protractor is 14 cm then the perimeter is ........cm(Approx.).

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Solution

The correct option is A. 36
Diameter of the given semi-circle(d) $= 14 c m$
Radius of the given semi-circle(r) $= 7 c m$

Perimeter of the semi-circle
= $π$ r + d = [ $π \times$ $7] + 14 = 22 + 14 = 36 c m .$
Hence, the perimeter 36 cm.

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Similar questions

State true or false.
If the diameter of a semi-circular protractor is 14 cm then the perimeter will be 36 cm(Approx.)

State true or false.
If the diameter of a semi-circular protractor is 14 cm then the perimeter will be 36 cm(Approx.)

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