Unit 6B: Special Right Triangles Mastery Assignment

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°
• Equiangular
• Equilateral

Find x - the length of the hypotenuse of the triangle.

• 5
• 5√2
• 10
• 5√3

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

• 8√2
• 4√2
• 4
• 8

Find x.

• 4
• 2
• √3
• 2√2

Tags

CCSS.HSG.SRT.C.8

What are x and y in this 30-60-90 triangle?

• x = 6 y = 3√3
• x = 3√2 y = 3
• x = 3√3 y = 6
• x = 6 y = 3√2

Tags

CCSS.HSG.SRT.C.8

What are a and b in this 30-60-90 triangle?

• b=3.5√3 a = 7√3

• b = 7 a = 7√2

• b = 7 a = 14

• b = 7√3 a = 14√3

Tags

CCSS.HSG.CO.C.10

How long is e?

• 3
• 6
• 6√3
• 6√2

Tags

CCSS.HSG.SRT.C.8

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

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