Find the area of a circle with a radius of 9. Leave the answer in terms of π.

Question

asked Oct 11, 2023 54.2k views

1 Answer

Tom Headifen · Answer 1 · 2023-10-14T23:30:11+0000

Answer:

A = 81π units²

Explanation:

the area (A) of a circle is calculated as

A = πr² ( r is the radius ) , then

A = π × 9² = 81π units²