00:01
Theorem given triangle a, b, c, with lengths of its side, a, b, c, respectfully, if a squared plus b squared equals c squared, then triangle a, b, c, is a right triangle.
00:15
So here's the converse of the pythagorean theorem.
00:17
If a squared plus b squared equals c squared, then the triangle is a right triangle.
00:23
So, for example, 5 squared plus 3 squared, does it equal 7 squared? well, 4 .5 squared, 5 squared is 25, and 3 squared is 9, and does that equal 49? well, it doesn't because 34 does not equal 49...