Pythagorean Theorem
Used to find the missing side of a right triangle.
Hypotenuse
The longest side of a right triangle.
Right Triangle
A triangle that has one right angle (90 degrees) with 2 legs, and one hypotenuse.
leg
Either of the two shortest sides of a right triangle, they meet at a common vertex to form a right angle.
hypotenuse
The longest side of a right triangle. It is always opposite of, and never is a part of, the right angle.
square
The result of multiplying a number by itself.
square root
A number which, when multiplied by itself, makes a square. .
pythagorean theorem
The sum of the squares of the legs of a right triangle is equal to the square of the hypotenuse.
perfect square
A square with a whole number root.
right angle
An angle of exactly 90 degrees.