Question

find the circumference of a semi circle if it's radius is 28cm​

Answer 1

The perimeter of semicircle with radius 28 cm is => 72 cm.

Answer 2

Answer:

88cm

Step-by-step explanation:

$circumference \: of \: a \: semicircle = \pi \: r \: \\ = \frac{22}{7} \times 28 \\ = 22 \times 4 \\ = 88cm$