A) 120 c.c.
B) 240 c.c.
C) 640 c.c.
D) 900 c.c.
Correct Answer: C
Solution :
Side of square base \[=8\text{ }cm.\] Height of pyramid \[=30\text{ }cm\] \[\therefore \] Volume of square pyramid \[=\frac{1}{3}(area\text{ }of\text{ }base)\times height\] \[=\frac{1}{3}\times 82\times 30=640\,c.c.\]
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