Special Right Triangles

Front

What is a 45°-45°-90° triangle?

Back

Front

What is a 30°-60°-90° triangle?

Back

Front

If the leg of a 45-45-90 triangle is 7 cm long, what is the length of the hypotenuse?

Back

Front

What is the formula for finding the hypotenuse in a 30°-60°-90° triangle if the shorter leg is known?

Back

The hypotenuse is twice the length of the shorter leg.

Front

In a 30°-60°-90° triangle, if the longer leg is 9 cm, what is the length of the shorter leg?

Back

Front

What is the relationship between the angles in a special right triangle?

Back

The angles in a special right triangle are fixed: 45°-45°-90° or 30°-60°-90°.

Front

If the hypotenuse of a 45°-45°-90° triangle is 14 cm, what is the length of each leg?

Back

Front

What is the value of x in a 45°-45°-90° triangle if one leg is 17 cm?

Back

Front

In a 30°-60°-90° triangle, if the hypotenuse is 10 cm, what is the length of the longer leg?

Back

Front

What type of triangle is formed by the angles 45°, 45°, and 90°?

Back

It is a 45°-45°-90° triangle.