Pythagorean Theorem Special Right Triangles and Trigonometry

Use the Pythagorean theorem to find the missing side.

• A

• B

• C

• D

Find the missing side of the 45-45-90 triangle.

• A

• B

• C

• D

Find the missing side of the 45-45-90 triangle.

• A

• B

• C

• D

Find the missing side of the 30-60-90 triangle.

• A

• B

• C

• D

Find the missing side of the 30-60-90 triangle.

• A

• B

• C

• D

Find the missing side of the 30-60-90 triangle.

• A

• B

• C

• D

solve for x

• 5552363959656.

• 10

• 100

• 89

In this 45-45-90 triangle, I have been given the length of a leg.  How do I find the length of the hypotenuse?

• It is the same length as the given leg.

• Multiply that leg's length by √2.

• Multiply that leg's length by 2.

• Divide that leg's length by √2.

What is the length of y in this 45-45-90 triangle?

• 8√2

• 4√2

• 4

• 8

What is the length of u and v in this 30-60-90 triangle?

• u = 8 v = 4√3

• u = 4√2 v = 8

• u = 16 v = 8

• u = 4√3 v = 8