Special Right Triangles

Find the value of y.

• 8

• 4

• 2√3

• 8√3

Find the value of y to the nearest tenth.

• 4.5

• 3.2

• 2.3

• 5

Find the value of y.

• 11√2

• 11

• 22

• (11√2)/2

Find the value of y.

• 7

• 7√3

• 14√3

• (14√3)/3

Find the value of x.

• 18

• 18√3

• 36√3

• 12

Find the value of y.

• 9

• 18√2

• 9√2

• (9√2)/2

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

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

• Multiply by √2

• Divide by √2

• It's the same length as the hypotenuse.

• Divide by 2

Which side is the short leg of this 30-60-90 triangle?

• 6

• m

• n

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