Special Triangle 45-45-90

Find x - the length of the hypotenuse of the triangle.

• 7

• 14

• 7√2

• 7/2

Find a - the length of a leg of the triangle.

• 5

• √2

• 5√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

What is the value of x?

• 2

• 18

• 2√9

• 9√2

What is the value of x?

• 12√2

• 2√12

• 24

• 2

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.

Find x.

• 12

• √2

• √3

• 6

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

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

• 4√2

• 4

• 8

• 4√3

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