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The base of a pyramid is a rectangle whose base and height are 9m and 4m. The volume is 120. What is the height? (plz give description on how to find the answer, if you can)

Respuesta :

Answer:

10 m.

Step-by-step explanation:

Volume of a pyramid is

V = 1/3Bh       B = area of base      h = height of pyramid

The base is a rectangle, so B = lw = 9(4) = 36

120 = 1/3(36)h = 12h

h = 10 m

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