| A | B |
|---|
| square root | A number that when multiplied by itself, equals the given number. |
| perfect square | A number with integers as its square roots. |
| radical sign | The symbol this is used to represent a square root. |
| radicand | The number under a radical sign. |
| theorem | A rule in mathematics. |
| Pythagorean Triple | A set of three positive integers, a,b, and c, where a^2+b^2 = c^2. |
| hypotenuse | The side of a right triangle that is opposite the right angle. |
| Pythagorean Theorem | In any right triangle, the sum of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse. |
| irrational number | A number that cannot be written as the ratio of two integers. |
| real number | The set of all rational and irrational numbers. |
| legs | The two sides of a right triangle that form the right angle. |
