Question

Find the area of this semi-circle with radius, r = 79cm.

Give your answer rounded to 1 DP.
r cm
The diagram is not drawn to scale.

Answer 1

Answer: The Area of this Semi circle is 9798cm²

Explanation:

The Formula of Area of Semi circle is 1/2(πr²)

Therefore 1/2 × π × 79²

. = 6241/2 × π = 6241/2× 3.14

Hence the answer comes out as 9798.37 = (approx) 9798cm²