Special Right Triangles

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

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5

Tags

CCSS.HSG.SRT.C.8

Which side is the long leg in this 30-60-90 triangle?

• 4
• u
• v

Tags

CCSS.HSG.CO.C.10

I have been given the short leg in this 30-60-90 triangle.  How do I find the length of the hypotenuse?

• Multiply 4 by 2
• Multiply 4 by √3
• Multiply 4 by √2
• Divide 4 by √3

Tags

CCSS.HSG.SRT.C.8

The image represents what special right triangle.

• 30-60-90

• 60-60-60

• 45-45-90

• Pythagorean Theorem

• Pythagorean Triple

Tags

CCSS.HSG.CO.C.10

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

• 1.5√3

• 1.5

• 6

• 2√3

• 6√3

Determine a and b. (Choose two)

• 2√2

• 2

• 4√2

• 4

• 6

Determine x and y. (Choose two answers)

• 5

• 5√3

• 5√2

• 15

• 20