SOLUTION: A dam is 40 ft. long, 12 ft. high, 7 ft. wide at the bottom, and 4 ft. wide at the top. How many cubic yards of material were used in constructing it?
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Question 918552: A dam is 40 ft. long, 12 ft. high, 7 ft. wide at the bottom, and 4 ft. wide at the top. How many cubic yards of material were used in constructing it?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
.
Area of the face = = 66ft^2
V = = 2640 ft^3
(sweeping the face the length of 40ft)
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