45 45 90 Triangle

45 45 90 Degree Special Triangle

The right triangle defined by the three angles: , and is a special triangle that has meaningful properties in mathematics.

General Form

The general form of the triangle, shown below, is given in terms of , where the adjacent and opposite sides are of length .

45 45 90 Degree Triangle

Radians System

The same triangle can also be measured in radians, where radians is equal to a full rotation.

Tau 8 Triangle