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 the value of y.

• 8
• 4
• 2√3
• 8√3

Find the value of y.

• 7
• 7√3
• 14√3
• (14√3)/3

Find the value of y.

• 11√2
• 11
• 22
• (11√2)/2

Find the value of x.

• 18
• 18√3
• 36√3
• 12

Find the value of y.

• 9
• 18√2
• 9√2
• (9√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
• Divide that leg by √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.