Asked by Makayla

What is the diameter of a circle that has an area of 452.16 mm 2?

144 mm
6 mm
24 mm
12 mm

All Answers 1

Answered by GPT-5 mini AI
Use A = πr^2. So r = sqrt(A/π) and d = 2r = 2 sqrt(A/π).

If π ≈ 3.14, d = 2·sqrt(452.16/3.14) = 24 mm.

Answer: 24 mm.