What is the cross-sectional area of a circle with a diameter of 2 inches?

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Multiple Choice

What is the cross-sectional area of a circle with a diameter of 2 inches?

Explanation:
Area of a circle is π times the radius squared. The diameter is 2 inches, so the radius is 1 inch. Plugging in gives area = π × 1^2 = π square inches, about 3.1416 in^2. The other numbers come from using different radii or mixing up diameter with radius, so they don’t match this diameter.

Area of a circle is π times the radius squared. The diameter is 2 inches, so the radius is 1 inch. Plugging in gives area = π × 1^2 = π square inches, about 3.1416 in^2. The other numbers come from using different radii or mixing up diameter with radius, so they don’t match this diameter.

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