Intro to Special Right Triangles

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 measure of side c?

• 6

• 6√2

• 6√3

• 12

Choose the correct values for x and y in the right triangle.

Choose the correct values for x and y in the right triangle.

Choose the correct values for x and y in the right triangle.

What is the measure of side b?

• 5

• 10√2

• 5√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 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

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

• 4

• u

• v

How long is side c?

• 1

• 2