45-45-90 triangles

Is this a 45-45-90 triangle?

• Yes

• No

• No clue

Is this a 45-45-90 triangle?

• Yes

• No

• No clue

Is this a 45-45-90 triangle?

• Yes

• No

• No clue

If you are given the LEG of a 45-45-90 triangle, how do you find the HYPOTENUSE?

• Multiply by 2

• Divide by 2

• Multiply by √2

• Divide by √2

If you are given the HYPOTENUSE of a 45-45-90 triangle, how do you find the LEG?

• Multiply by 2

• Divide by 2

• Multiply by √2

• Divide by √2

If you are given the LEG of a 45-45-90 triangle, how do you find the OTHER LEG?

• Multiply by √2

• Divide by √2

• They're congruent

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

What is the value of x?

• 2

• 18

• 2√9