Question

The perimeter of a semi circle is 144 cm then the radius is?

Answer 1

Answer:

Step-by-step explanation:

Answer 2

$\huge \text{Hey mate !!}$

If the perimeter of semi circle is 144 cm

So, the perimeter of a complete circle is 144 × 2 = 288 cm.

Perimeter = Circumference

Radius = $\pi$× C ÷ 2

22 ÷ 7 × 288 ÷ 2

45.21 cm

Hope it will help you ^_^