Question

The radius of a semicircle is 1 centimetre. What is the semicircle's area?

Answer 1

area = 1.6 cm

Step-by-step explanation:

Radius (r) = 1 cm

• Taking pi (π) as 22/7

According to the formula...

Area of semi-circle = 1/2 * π *(r)^2

= 1/2 * 22/7 * 1 * 1

= 1.571...

= 1.6 cm

Hope it helps you!!