Answer to Question #325192 in Geometry for Joshua

Question

Suppose you are given the side lengths of a right angle triangle, which length is the length of the hypotenuse. How do you know?

Answer 1

Pythagorean theorem:

$a^2+b^2=c^2,$

where a, b - side lengths;

c - length of hypotenuse.

$c=\sqrt{a^2+b^2}.$