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To calculate the amount of sand needed for a 14-foot diameter circle that is 3 inches deep, first convert the diameter to radius: 14 feet ÷ 2 = 7 feet. The area of the circle is π (approximately 3.14) times the radius squared: π × (7 feet)² ≈ 153.94 square feet. Then, multiply the area by the depth in feet (3 inches = 0.25 feet): 153.94 sq ft × 0.25 ft = approximately 38.49 cubic feet of sand needed.

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3w ago

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