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Marty--
> The formulas you are looking for concerning the surface area of a
> dome can be found at
> .
Thanks for that link. It will be useful for tutoring.
>
> The student may have used (2)(Pi)(r)(r+h). If you expand that
> formula, it is the same as yours.
No, it was some formula that contained a fraction. Like I said, I had
never seen it before. When the student showed the formula to me, I
thought it was wrong, but I tried it out on a couple of problems and it
worked! I'll ask around my school. I just forget about it until
something like this comes up. (and hopefully it was for the S.A. of a
cylinder! I'm pretty sure it was)
