special right triangles

What type of special triangle is this?

• 45°-45°-90°
• 30°-60°-90°
• Equiangular
• Equilateral

What type of special triangle is this?

• 45°-45°-90°
• 30°-60°-90°
• Isosceles
• Obtuse

Find x.

• 10
• 10√3
• 10√2
• 20

Find x.

• 22
• 11√3
• 11√2
• 11

Find a.

• 12
• 24
• 24√3
• 16

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5

Find the value of x.

• 18
• 18√3
• 36√3
• 12

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 length of x in this 45-45-90 triangle?

• 4√2
• 4
• 8
• 4√3

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

• 8√2
• 4√2
• 4
• 8