Question

Aryan divides a circular disc of radius 7cm in two equal parts. What is the perimeter of each semicircular shape disc? (use π = 22 )
7

Answer 1

Answer:

$2 \times \frac{22}{7} \times 7 + (7 \times 2) \\ = 2 \times 22 + 14 \\ = 44 + 14 \\ = 58cm$