A regular square pyramid has its base edge 6 cm and height 5 cm. Then its volume is
A regular square pyramid has its base edge 6 cm and height 5 cm. Then its volume is
A) 36 cm3
B) 25 cm3
C) 11 cm3
D) 60 cm3
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Correct option is (D) 60 cm3
Base of square pyramid is a square of edge 6 cm.
\(\therefore\) Base area \(=6^2=36\,cm^2\)
Height of pyramid = 5 cm
\(\therefore\) Volume of square pyramid \(=\frac13\times\) Base area \(\times\) Height of pyramid
\(=\frac13\times36\times5=12\times5\)
\(=60\,cm^3\)
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