Special Right Triangels

Front

What is a special right triangle?

Back

A special right triangle is a right triangle with specific angle measures and side length ratios, such as the 45-45-90 triangle and the 30-60-90 triangle.

Front

What are the side length ratios of a 45-45-90 triangle?

Back

Front

What is the measure of the angles in a 45-45-90 triangle?

Back

The angles in a 45-45-90 triangle are 45°, 45°, and 90°.

Front

What are the side length ratios of a 30-60-90 triangle?

Back

Front

What is the measure of the angles in a 30-60-90 triangle?

Back

The angles in a 30-60-90 triangle are 30°, 60°, and 90°.

Front

If one leg of a 45-45-90 triangle is 5, what is the length of the hypotenuse?

Back

Front

If the hypotenuse of a 30-60-90 triangle is 12, what is the length of the shorter leg?

Back

The shorter leg is 6.

Front

If the longer leg of a 30-60-90 triangle is 9, what is the length of the hypotenuse?

Back

Front

What is the formula to find the length of the hypotenuse in a 45-45-90 triangle?

Back

Front

What is the formula to find the length of the longer leg in a 30-60-90 triangle?

Back