30-60-90 Special Right Triangles Practice

Front

What is a 30-60-90 triangle?

Back

Front

What is the relationship between the sides of a 30-60-90 triangle?

Back

In a 30-60-90 triangle, if the length of the shorter leg (opposite the 30° angle) is 'x', then the longer leg (opposite the 60° angle) is 'x√3' and the hypotenuse is '2x'.

Front

How do you find the length of the longer leg in a 30-60-90 triangle?

Back

Front

How do you find the hypotenuse in a 30-60-90 triangle?

Back

Multiply the length of the shorter leg by 2.

Front

What is a 45-45-90 triangle?

Back

Front

What is the relationship between the sides of a 45-45-90 triangle?

Back

In a 45-45-90 triangle, if the length of each leg is 'x', then the hypotenuse is 'x√2'.

Front

How do you find the hypotenuse in a 45-45-90 triangle?

Back

Front

What is the formula for the area of a triangle?

Back

Front

What is the Pythagorean theorem?

Back

Front

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

Back

Use the Pythagorean theorem: if you know two sides, solve for the third.