47Converse of the Pythagorean Theorem If the sum of the squares of the lengths of the two shorter sides of a triangle is equal to the square of the length of the longest, then the triangle is a right triangle. The right side is opposite the longest side.
4811-7 Multiplying, Dividing, and Simplifying Radicals Radical Expressions11-7 Multiplying, Dividing, and Simplifying Radicals
49RationalizationThe process of eliminating a radical from the denominator.
50Simplest FormNo integral radicand has a perfect-square factor other than 1No fractions are under a radical sign, andNo radicals are in a denominator