8-3 Special Right Triangles

Front

What is a 30-60-90 triangle?

Back

A special right triangle where the angles are 30 degrees, 60 degrees, and 90 degrees. The sides are in the ratio 1 : √3 : 2.

Front

What is a 45-45-90 triangle?

Back

A special right triangle where the angles are both 45 degrees and the sides are in the ratio 1 : 1 : √2.

Front

How do you find the length of the altitude in an equilateral triangle?

Back

Front

What is the relationship between the legs and hypotenuse in a 45-45-90 triangle?

Back

Front

What is the relationship between the short leg and long leg in a 30-60-90 triangle?

Back

Front

If the short leg of a 30-60-90 triangle is 4, what is the length of the long leg?

Back

Front

What is the formula to find the hypotenuse in a 30-60-90 triangle?

Back

The hypotenuse is twice the length of the short leg.

Front

If the hypotenuse of a 45-45-90 triangle is 10, what is the length of each leg?

Back

Front

What is the formula for the area of a triangle?

Back

Front

How do you find the length of the hypotenuse in a right triangle?

Back