Special Right Triangles

Find the value of y.

• 8

• 4

• 2√3

• 8√3

Answer explanation

Remember to get short leg FIRST, then go to the other side

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Find the value of y.

• 11√2
• 11
• 22
• (11√2)/2

Tags

CCSS.8.G.B.8

Find the value of x.

• 18

• 18√3

• 36√3

• 12

Answer explanation

Divide by 2

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Find the value of y.

• 9

• 18√2 or 25.5

• 9√2 or 12.7

• 4.5

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Find x.

• 10
• 20
• 10√3
• √3

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

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

• 4√2
• 4
• 8
• 4√3

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

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.HSG.SRT.C.6

CCSS.HSG.SRT.C.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.6

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.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Solve for x in fully simplified form.

• 12√3

• 6√3

• 8√3

• 24 / √3

Tags

CCSS.HSA.REI.A.2

CCSS.HSF.TF.A.3