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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?
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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?

User MD Iyasin Arafat
by
8.1k points

2 Answers

5 votes

Answer:

10

Explanation:

User Kwexi
by
6.8k points
3 votes
here is the work.......Vof Pyramid=1/3*b^2*h V1=V2 1/3*(20)^2*21=1/3*b*84

your answer is 10.....I know it has to be one of your option......rate this answer please!
User Yspro
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7.5k points
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