Special Right Triangles

• 22

• 22√2

• 44

• 44√3

Find x.

• 10

• √3

• 5

• 10√3

Find x.

• 4

• 2

• √3

• 2√2

Find x.

• 10

• 20

• 10√3

• √3

Which side is the long leg in this 30-60-90 triangle?

• 4

• u

• v

I have been given the short leg in this 30-60-90 triangle.  How do I find the long leg?

• Multiply 4 by 2

• Multiply 4 by √3

• Multiply 4 by √2

• Divide 4 by 2

I have been given the short leg in this 30-60-90 triangle.  How do I find the length of the hypotenuse?

• Multiply 4 by 2

• Multiply 4 by √3

• Multiply 4 by √2

• Divide 4 by √3

What are x and y in this 30-60-90 triangle?

• x = 6 y = 3√3

• x = 3√2 y = 3

• x = 3√3 y = 6

• x = 6 y = 3√2

Find the value of x.

• 18

• 18√3

• 36√3

• 12

In this 45-45-90 triangle, I have been given a leg, so to find the other leg I...

• Multiply that leg by 2

• Use the same length for the second leg

• Multiply that leg by √2

• Divide that leg by √2