Question

A farmer is building a grain silo for storage. He estimates that will need 256 cubic yards of storage. The grain silo will be shaped as a cube. How long should one side of the grain silo be? (Recall that the volume of a cube is calculated yards

Answer 1

Having the length of a side(noticed with l), the volume of the cube is equal to:

V = l*l*l

V=l^3

To find the numeric value of l: l =

In our problem V = 256

l = sqrt256 = sqrt 2'8 =2 sqrts'2=4sqrt4

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