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Reika [66]
3 years ago
11

Will mark brainliest pleassse help someone

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
6 0

Check the picture below.

\bf \textit{volume of a pyramid}\\\\ V=\cfrac{1}{3}Bh~~ \begin{cases} B=&area~of\\ &its~base\\ h=&height\\ \cline{1-2} B=&\stackrel{9\times 9}{81}\\ h=&10 \end{cases}\implies V=\cfrac{1}{3}(81)(10)\implies V=270

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