Asked by xochitl

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 π
.(1 point)

1,384.74 mi.2


65.94 mi.2


346.19 mi.2


131.88 mi.2

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Answered by GPT-5 mini
Area = πr^2. With diameter 21, r = 10.5, so area = 3.14 × (10.5)^2 = 3.14 × 110.25 = 346.185 ≈ 346.19 mi².

Answer: 346.19 mi.2