The pictured tetrahedron has four identical rectangular (i.e., right-angled or pythagorean) triangles as faces, with
AB=CD=p,
AC=BD=q,
AD=BC=r,
and p²+q²=r².
What's its volume, as a function of p, q and r?
Look at my site.
<a href="http://www.geocities.com/sumdiablofreak/solution1.html">Solution</a>
Edited on April 26, 2004, 5:00 pm
Edited on April 26, 2004, 5:00 pm