Answers

  • Brainly User
2015-01-15T17:24:24+05:30
Let side of square pyramid = a = 1cm
height = h
volume  = a²h/3
⇒ 720 = 1²*h/3
⇒720*3 = h
⇒h = 2160 cm = 21.6 m
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2015-01-15T17:24:25+05:30
V=(1/3)b^2*h 720*3=1*h h=2160cm
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