7. Volumes of Rectangular Prisms
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Remember the formula for the volume of a prism.
h = 20cm
From the picture, we know the dimensions of the flower vase, which is a prism. The exercise is to find the height h of the prism. Let's see the diagram!
Substitute values
Multiply
.LHS /81.=.RHS /81.
Calculate quotient
Rearrange equation