The perimeter of a semicircular protractor whose radius is 7 cm i… - Vidyadip

MCQ

The perimeter of a semicircular protractor whose radius is $7\ cm$ is :

A
$72\ cm$
B
$27\ cm$
✓
$36\ cm$
D
$18\ cm$

✓

Answer

Correct option: C.

$36\ cm$

The perimeter of circular protractor
$\pi\text{r}+\text{2r}=\frac{22}{7}\times7+2\times7=36\text{ cm}$

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