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The area is about 315 square feet. The depth is 2/3 feet deep.

315 * 2/3 = 210 cubic feet.

Divide by 27 to get cubic yards

210 / 27 = 7.8

Order 8 yards.

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2010-09-30 00:48:02
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Q: How many cubic yards in a 20 ft diameter 8 inches thick circle?
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