10-2 Special Right Triangles 45-45-90

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5

Tags

CCSS.HSG.SRT.C.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

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 value of x?

• 2
• 18
• 2√9
• 9√2

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

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.SRT.C.8

Use the 45-45-90 theorem to solve for the hypotenuse.

• 16

• 8

• 8√2

• √16

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Find a - the length of the hypotenuse.

• 2√6
• 2√3
• 3
• 6

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

In this 45-45-90 triangle, I have been given the length of the hypotenuse.  How would I find the length of the legs?

• multiply the hypotenuse by √2
• divide the hypotenuse by √2
• Divide the hypotenuse by 2
• divide the hypotenuse by √3

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Find the value of y.

• 11√2
• 11
• 22
• (11√2)/2

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Find the value of x.

• 3 sqrt(2)
• 3
• 6 sqrt(2)
• 6

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8