The area of a circle is given by the formula: A = Ttr2 where r is the radius of the circle. What is the exact area of a circle with a diameter of 10 cm?

Question

asked Mar 13, 2021 230k views

1 Answer

Bdk · Answer 1 · 2021-03-19T02:46:14+0000

Answer:

A = 25π cm²

Explanation:

The area (A) of a circle is calculated as

A = πr² ( where r is the radius )

Here diameter = 10, thus r = 10 ÷ 2 = 5, then

A = π × 5² = 25π cm²