45-45-90 Triangles

Find a.

• 5

• √2

• 5√2

• 2

Find a.

• 4

• 2

• 4√2

• 2√4

Find x.

• 4√3

• 4√6

• 4

• 4√8

If the leg of a 45-45-90 triangle is 7 cm long, then its hypotenuse is _____ cm.

• 7√2

• 49√2

• 7

• 7√7

Find a.

• 2√6

• 2√3

• 3

• 6

Find y.

• 11√2

• 11

• 22

• (11√2)/2

Find x.

• 2

• 18

• 2√9

• 9√2

What is the length of y in this picture?

• 45

• 5√2

• 90

• 5

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

• 4√2

• 4

• 8

• 4√3

Use the 45-45-90 theorem to solve for the hypotenuse.

• 16

• 8

• 8√2

• √16