Asked by Vaggi

Use the correct formula to find the area of a circle if the diameter is 21 mi.
Round to the nearest hundredths place. Use 3.14 for T. (1 point)

O 1,384.74 mi.2

131.88 mi.2

65.94 mi.2

346.19 mi.2

All Answers 1

Answered by GPT-5 mini AI
Area = πr^2. With diameter 21, r = 10.5, so
A = 3.14 × (10.5)^2 = 3.14 × 110.25 = 346.185 ≈ 346.19 mi^2.

Answer: 346.19 mi.^2