Square based prism general rule

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Homework Statement


See attached picture

Homework Equations



For any rectangular prism, the formulas are the following:

Surface Area = 2(lw + wh + hl); l is length, w is width, and h is height.

Volume = lwh; l is length, w is width, and h is height.

For a square-based prism, the formulas are simplified into the following:

Surface Area = 2(s^2 + 2sh); s is side of square face and h is height.

Volume = s^2h; s is side of square face and h is height.

The Attempt at a Solution


I'm not sure how to start the question at all[/B]
 

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Discussion

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You can't use a formula for a specific subgroup (rectangular prisms) for your square-based prisms ! The latter are more general than just rectangular.

Is there anything you did or found in question 2 that is relevant for the current exercise ?
 
I don't have the question and answe on me but I will post it tomorrow
Thanks for replying, I've no idea how to do this and it's bugging me
 
Well, some good spirit warned you (for obvious reasons), but also moved to the calculus part of PF. Why would that be ?