Question

A circle with a 12-inch diameter is folded in half and then folded in half again. What is the area of the resulting shape? Express your answer in terms of π. __ in2

Answer 1

Answer: If a circle with a 12-inch diameter is folded in half, then in half again, the resulting shape's area is 9 square inches.

Explanation:

diameter is 2r

12 = 2r

radius = 6

Area of a quadrant = π(6)²/4

Area of a quadrant = 36π/4

Area of a quadrant = 9π

Answer 2

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