Special Right Triangles' Practice

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

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

Back

Divide the length of the long leg by √3.

Front

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

Back

Both legs are of equal length.

Front

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

Back

The sides are in the ratio 1:1:√2.

Front

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

Back

5√2.

Front

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

Back

Hypotenuse = 2 * (short leg).

Front

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

Back

4√3.

Front

What is the opposite of squaring a number?

Back

Square root.

Front

How do you find the length of the hypotenuse in a 45-45-90 triangle if one leg is given?

Back

Multiply the length of the leg by √2.

Front

If the long leg of a 30-60-90 triangle is 7, what is the length of the short leg?

Back

7/√3.