Pythagorean Theorem

perfect square

A square with a whole number root.

right triangle

A triangle that contains a right angle.

right angle

An angle of exactly 90 degrees.

root (of a square)

Any side of a square. A number which, when multiplied by itself, makes a square. One of the dimensions of a square.

leg

Either of the two shortest sides of a right triangle, they meet at a common vertex to form a right angle.

Pythagoras

Greek philosopher, 570-495 BC.

Converse of Pythagorean Theorem

Proving that the triangle is a right triangle

Pythagorean Theorem Equation

The algebraic equation for the pythagorean theorem

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.

pythagorean theorem -verbal

The sum of the squares of the legs of a right triangle is equal to the square of the hypotenuse.

diagonal

a line segment joining two vertices that are not next to each other (across from corner to corner)

radical symbol

to find square root of a number