45-45-90 Practice

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5

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

• 8√2
• 4√2
• 4
• 8

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

• 4√2
• 4
• 8
• 4√3

Find the value of y.

• 11√2
• 11
• 22
• (11√2)/2

What is the value of x?

• 2
• 18
• 2√9
• 9√2

Find the missing side lengths.

• a = 4, b = 4
• a = 4, b = 2√2
• a = 2√2,  b = 4
• a = 4, b = 4

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

• 16

• 8

• 8√2

• √16

Sam's square bedroom has a diagonal of 9√2 feet.  What is the length of each side?

• 18
• 3√2
• 9
• 12.7