homework help: Any one good in precalculus? - Help.com



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Any one good in precalculus?

Possible took MATH 1311 in college?

I have a problem that is confusing me
it reads
A square concrete foundation was prepared as a base for a large cylindrical gasoline tank

A) Write the radius r of the tank as a function of the length x of the sides of the square

B) Write the area A of the circular base of the tank as a function of the radius r.

I know for sure I have to use the following formulas

A=PieR^2

and

A=X^2

but I dont really understand what A) and B) are asking me to do with them

can anybody help me out??

:(

This open post was written 2 months, 3 weeks ago | V/U/S: 144, 1, 2 | Edit Post | Leave a reply | Report Post


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akbha offline Unverified User #
An Unknown Location | 2 months, 3 weeks ago (36 minutes after post)

Remember that you will always wish to use as small foundation as possible to save on cost, but it must support cylinder at all points.
try drawing figure

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