Geometry Unit 8 - Special Right Triangles

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

What is the length of u and v in this 30-60-90 triangle?

• u = 8 v = 4√3
• u = 4√2 v = 8
• u = 16 v = 8
• u = 4√3 v = 8

Tags

CCSS.HSG.SRT.C.8

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

Tags

CCSS.8.G.B.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 = 3√3 y = 3√2

Tags

CCSS.HSG.SRT.C.8

Find y. 

• 10
• 3
• 6
• 5

What is the value of x?

• 12√2
• 2√12
• 24
• 2

What is the length of the legs of this triangle?

• 6
• 6√2
• 12√2
• 4√3

Tags

CCSS.8.G.B.8

Find x.

• 9
• 3√3
• 6
• 6√3

Tags

CCSS.7.EE.B.3

Solve for x.

You will need to use 45-45-90 and 30-60-90 triangles.

• 10√3

• 15

• 5√3

• 15√2