Special Right Triangles

Find the missing side lengths.

• a = 4, b = 4
• a = 4, b = 2√2
• a = 2√2,  b = 4
• a = 4, b = 4

Tags

CCSS.HSG.CO.C.10

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

• 4√2
• 4
• 8
• 4√3

Tags

CCSS.8.G.B.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

Find a.

• 3

• 6

Tags

CCSS.HSG.SRT.C.8

Find x.

• 10

• 20

Tags

CCSS.HSG.SRT.C.8

Which side is the long leg in this 30-60-90 triangle? (not the hypotenuse)

• 4
• u
• v

Tags

CCSS.HSG.CO.C.10

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

Tags

CCSS.8.G.B.8

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

• 8√2
• 4√2
• 4
• 8

Tags

CCSS.8.G.B.8

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

• 6
• m
• n

Tags

CCSS.HSG.CO.C.10

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

Tags

CCSS.HSG.CO.C.10