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Earn +20 ptsQ: How many cubic yards in an 18 foot diameter circle?
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How many cubic yards in an 12 foot diameter circle with a 4 inch thickness?
How many cubic yards in an 12 foot diameter circle with a 4 inch thickness?
How many cubic yards in an 30 foot diameter circle 3 inches thick with sand?
Area of the circle = pi R2 = (225 pi) square feetVolume = (225 pi) x (0.25) cubic feet1 cubic yard = 27 cubic feetVolume = (225 pi) / (4 x 27) = 6.545 cubic yards (rounded)
How many cubic yards in an 20 foot diameter circle 2 inches thick with sand?
Total coverage area 314.16 sq. feet. depth of 2 inches = 1.94 cu yards answer ... around 2 cu yards
How many cubic yards in an 21 foot diameter circle 6 inches thick with sand?
Volume = pi * r2 * h = pi * (21/6)2 * (6/36) since 21 foot diameter = 21/2 foot radius = 21/6 yard radius and 6 inches = 6/36 yards so volume = 6.414 cu yards.
How many cubic yards in a 3 foot diameter by 40 foot deep cylinder?
1 cubic yard = 27 cubic feetVolume of a cylinder = (pi) R2 HR = radius = 1/2 diameter = 1.5 ftH = height = 40-ftVolume = (pi) (1.5)2 (40) = 90 pi = 282.743 cubic feet = 10.472 cubic yards (rounded)
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