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Mathematics 14 Online
OpenStudy (anonymous):

Find the height of a square pyramid with a volume of 26.97 feet cubed and dimensions of base 3ft by 3ft. A)7 B)8 C)9 D)10

Parth (parthkohli):

Volume of a square pyramid is \(\Large {1 \over 3}b^2 h\) Does that help?

Parth (parthkohli):

Another way to think - 1/3 x base area x height

Parth (parthkohli):

\( \color{Black}{\Rightarrow 26.97 = \large {1 \over 3}(3)^2h }\)

OpenStudy (anonymous):

how do i find the height ?

Parth (parthkohli):

You first find 1/3 x 3^2, then divide that from both sides, which leaves h on one side.

Parth (parthkohli):

What is 3^2? @Senior012

OpenStudy (anonymous):

In simple way, h = (3*Volume)/b*b...

OpenStudy (anonymous):

so is my final answer 9 ?

Parth (parthkohli):

No...

OpenStudy (anonymous):

Yes you are right..

Parth (parthkohli):

\( \color{Black}{\Rightarrow 26.97 = \large{1 \over 3}(9)h }\)

OpenStudy (anonymous):

Friend, simply divide 26.97 by 3, you will have your answer...

OpenStudy (anonymous):

@waterineyes : your so helpful !! (:

OpenStudy (anonymous):

ParthKohli, senior is not talking about 3^2 I think senior is telling the whole answer of the problem...

OpenStudy (anonymous):

Thanks dear...

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