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Two square pyramids have the same volume. The first pyramid has base edge 20 in. and height 21 in. The second pyramid has height 84 in. What is the base edge of the second pyram…

Two square pyramids have the same volume. The first pyramid has base edge 20 in. and height 21 in. The second pyramid has height 84 in. What is the base edge of the second pyram…
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Two square pyramids have the same volume. The first pyramid has base edge 20 in. and height 21 in. The second pyramid has height 84 in. What is the base edge of the second pyramid please help

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User Jinpu Hu
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8.0k points

1 Answer

3 votes
20×21 ÷ 2=210
84×5÷2=210
The base edge is 5 inches.
answered
User Ezhil V
by
8.1k points
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