Asked by nope

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)

131.88 mi.2


346.19 mi.2


1,384.74 mi.2


65.94 mi.2

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Which of the following is the correct formula for finding the area of a circle?(1 point)

A=C2÷4πA=πd2


A=2πr


A=πd


A=πr2

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All Answers 1

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

Answers:
- Area: 346.19 mi²
- Correct formula: A = πr²