The pictured tetrahedron has four identical rectangular (i.e., right-angled or pythagorean) triangles as faces, with
What's its volume, as a function of p, q and r?
Make rectangle ABCD, this satifies the conditions. The 'volume' is zero.
On cannot "stretch" this rectangle into 3-dimensions without altering either the angles or the sides.
Posted by Jer
on 2004-04-26 12:11:38