Special Right Triangles (30-60-90 & 45-45-90)

Front

What is a 30-60-90 triangle?

Back

Front

What is the ratio of the sides in a 30-60-90 triangle?

Back

Front

What is a 45-45-90 triangle?

Back

A special right triangle where the angles are both 45 degrees and the sides opposite these angles are equal.

Front

What is the ratio of the sides in a 45-45-90 triangle?

Back

Front

If the shorter leg of a 30-60-90 triangle is 10, what is the length of the longer leg?

Back

Front

If the legs of a 45-45-90 triangle are each 4, what is the length of the hypotenuse?

Back

Front

How do you find the length of the hypotenuse in a 30-60-90 triangle?

Back

Multiply the length of the shorter leg by 2.

Front

How do you find the length of the longer leg in a 30-60-90 triangle?

Back

Front

What is the formula for the hypotenuse in a 45-45-90 triangle?

Back

Front

If the hypotenuse of a 45-45-90 triangle is 8, what is the length of each leg?

Back