the base of a right prism is an equalateral triangle of side 4 cm.find the volume?
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Answer:
Given: a=6m, V=81
3
cm
3
, we have to find h. We know that
V=B×h, and B=
2
3
a
2
=
4
3
×6×6=9
3
.
Thus we obtain 81
3
=9
3
×h.
Hence h=9m.
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