Flashcard: Special Right Triangles and Geometric Mean

Front

What is a 45-45-90 triangle?

Back

Front

What is a 30-60-90 triangle?

Back

Front

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

Back

Multiply the length of the short leg by 2 to find the hypotenuse.

Front

How do you find the length of the long leg in a 30-60-90 triangle if you know the length of the short leg?

Back

Front

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

Back

The lengths of the legs are equal.

Front

If one leg of a 45-45-90 triangle is 4, what is the length of the hypotenuse?

Back

Front

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

Back

The hypotenuse is twice the length of the short leg.

Front

If the long leg of a 30-60-90 triangle is 8, how do you find the short leg?

Back

Front

What is the geometric mean of two numbers a and b?

Back

Front

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

Back