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#1

$Old$ 09-12-2008, 08:50 PM

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$Default$ Volume Puzzle

Here's an interesting problem for people to try:

Triangle ABC

AB = 21
AC = 11
BC = 20

If you draw out that triangle, and then draw the midsegments. If you fold along the lines of the midsegments, then you get a tetrahedron. What is the volume of that Pyramid?

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Quick's Prime Property:
For $n>1$ and the ratio of numbers which is indivisible by any whole number $\leq n$ but $>1$ is $x$ then $x \geq \frac{1}{n}$

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#2

$Old$ 09-14-2008, 10:16 AM

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Nobody?

I know of two different ways...

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Quick's Prime Property:
For $n>1$ and the ratio of numbers which is indivisible by any whole number $\leq n$ but $>1$ is $x$ then $x \geq \frac{1}{n}$

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#3

$Old$ 09-28-2008, 11:32 PM

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Draw us a picture, will you?

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