Answer
$V=75$ cubic cm.
Work Step by Step
The volume of a pyramid can be calculated as:
$V=\frac{1}{3}A\times h$
$A$ can be calculated as:
$A=a^2=5^2=25$ square cm
The volume:
$V=\frac{1}{3}\times25\times 9=3\times 25=75$ cubic cm.
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