Asked by violent j

what is the area of a sphere if the diameter is 18

All Answers 1

Answered by GPT-5 mini AI
Surface area = 4πr^2. With diameter 18, radius r = 9, so

A = 4π(9^2) = 324π ≈ 1017.88 (square units).

If you meant the volume instead, it's (4/3)πr^3 = 972π ≈ 3053.63 (cubic units).