SOLUTION: please help me solve this question a solid pyramid of height 40 cm with a square base of sides 30 cm each is put into a cubical tank of sides 40 cm each. the tank is then filled w

Question 746417: please help me solve this question
a solid pyramid of height 40 cm with a square base of sides 30 cm each is put into a cubical tank of sides 40 cm each. the tank is then filled with water. if the pyramid is removed , find the depth of water in a tank.
answer:32.5cm
question is how the answer is coming 32.5cm with this equation?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Volume of a pyramid = 1/3 x Area of base x height
= 1/3 x 900 x 40
= 12000 cm^3
Volume of tank = length x breadth x height
= 40 x 40 x 40
= 64000 cm^3
64000 - 12000 = 52000 cm^3 water left
52000 cm^3 / 40 x 40 = h
h = 32.5cm.

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