(Easy) Special Right Triangles

What type of special triangle is this?

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

What is the rule for a 45-45-90 triangle?

• $x,\ x,\ x\sqrt{2}$

• $x,\ x\sqrt{3},\ 2x$

What type of special triangle is this?

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

What is the rule for a 30-60-90 triangle?

• $x,\ x,\ x\sqrt{2}$

• $x,\ x\sqrt{3},\ 2x$

Find x.

• 30°
• 60°
• 90°
• 180°

Find x.

• 30°
• 45°
• 60°
• 90°

Find x.

• 10
• √3
• 5
• 10√3

Find x.

• 4
• 2
• √3
• 2√2

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

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