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February 1, 2015

February 1, 2015

Posted by **JOY** on Wednesday, May 25, 2011 at 6:33am.

Will the volume triple?

These are my choices:

a.The volume does not change

b.The volume doubles

c.The volume triples

d.The volume quadruples

- geometry -
**Reiny**, Wednesday, May 25, 2011 at 8:13amVolume of original pyramid = (1/3)π(b^2)h

Volume of new pyramid = (1/3)π(b^)(2h) = (2/3)π(b^2)h

How do they compare ?

- geometry -
**Mary**, Wednesday, May 25, 2011 at 9:01amDo they double??

- geometry -
**Reiny**, Wednesday, May 25, 2011 at 9:20amYes,

they differ only by the 1/3 vs 2/3

and 2/3 is twice as large as 1/3

- geometry -
**sally**, Friday, June 10, 2011 at 9:55amA pyramid has a volume of 24 and a base area of 12. What is the length of the altitude of the pyramid?

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