Question

The diameter of a circle is 20 cm. Find its area in terms of \piπ

Answer 1

Explanation:

Diameter = 20 cm

Radius = r = 20 ÷ 2 = 10 cm

`\boxed{\text{Area of circle =$\pi r^(2)$ }}`

= π *10 * 10

= 100π cm²