SOLUTION: A team wants to build a pyramid of sand for a contest. The base of the pyramid will be a square with sides of 6 yards.The pyramid will be 9 yards tal. how much sand does the team n

Question 255728: A team wants to build a pyramid of sand for a contest. The base of the pyramid will be a square with sides of 6 yards.The pyramid will be 9 yards tal. how much sand does the team need?
Found 3 solutions by EMStelley, drk, checkley77:
Answer by EMStelley(208)   (Show Source): You can put this solution on YOUR website!
The volume of a pyramid with a square base is (1/3)(area of base)(height). Here, the area of the base is 6*6 = 36 and the height is 9. So the volume is (1/3)(36)(9) = 108 yd^3.
Answer by drk(1908)   (Show Source): You can put this solution on YOUR website!
We want the volume of a pyramid which is
, where B = area of base.
The area of the base is a square 6 yrd x 6 yrd or 36 yrd^2.
So, we get

yrd^3
Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
V=bh/3
V=6*6*9/3=324/3=108 yds^3 ans.
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