Special Right Triangles

Find the value of y.

• 8
• 4
• 2√3
• 8√3

Find the value of y.

• 9
• 18√2
• 9√2
• (9√2)/2

Find the value of x.

• 3 sqrt(2)
• 3
• 6 sqrt(2)
• 6

I have been given a hypotenuse in this 45-45-90 triangle.  How do I find the length of a leg of the triangle?

• Multiply by √2
• Divide by √2
• It's the same length as the hypotenuse.
• Divide by 2

I have been given the short leg in this 30-60-90 triangle.  How do I find the length of the hypotenuse?

• Multiply 4 by 2
• Multiply 4 by √3
• Multiply 4 by √2
• Divide 4 by √3

Which side is the short leg in this 30-60-90 triangle?

• 4

• u

• v

I have been given the hypotenuse in this 30-60-90 triangle.  How do I find the short leg?

• Multiply 6 by 2
• Multiply 6 by √3
• Divide 6 by 2
• Divide 6 by √3

I have been given the long leg in this 30-60-90 triangle.  How do I find the short leg?

• Multiply 7 by 2
• Multiply 7 by √3
• Divide 7 by 2
• Divide 7 by √3

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