Concept explainers
Write at least two expression for the total number of 1-cm-by-1-cm-by-1-cm cubes it would take to build a v -cm - tall prism (tower) over the base in figure 9.20 . Each expression should be in term of v, w , x , y and z explain briefly how to obtain the expressions
b. Explain in two diff ways why your expression in part (a) are equal . One way should use properties of arithmetic
Figure 9.20 A base of a prism
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