Question

How do you find the area of a circle with diameter 31.6 m?

Answer 1

Area of the circle `A = 7.84` `m^2`

Explanation:

Diameter `d = 3.16 m`

Radius `r = d/2 = (3.16)/2 = 1.58m`

Area of circle `A = π r^2`

`A = π * (1.58)^2 = 7.84` `m^2`