Question

The diameter of a circle is 4 cm. Find its area to the nearest tenth.

Answer 1

12.6 cm^2

Explanation:

Diameter of circle=4 cm

Radius of circle=2 cm

Area of the circle=pi*r^2=pi*4=12.6 cm^2

Answer 2

12.6

Explanation:

use pi r squared to get the answer