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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07-02-2017
Mathematics

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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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Аноним Аноним · Answer 1 · 2017-02-07T17:41:16+01:00

Аноним Аноним

07-02-2017

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!

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wd132188 wd132188 · Answer 2 · 2021-07-30T10:46:38+02:00

wd132188 wd132188

30-07-2021

Answer:

10

Step-by-step explanation:

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