Special Right Triangles Made Easy Review

What two types of triangles are refered to in the video?

• all right triangles

• 45-90 triangles

• 20-70-90 triangles

• 30-60-90 triangles

Simplify √24

• 4√6
• 2√6
• 6√2
• 2√12

In simplest radical form,
√80 is equivalent to

• 16√5
• 2√20
• 4√5
• 8√5

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5

Tags

CCSS.HSG.SRT.C.8

In this 45-45-90 triangle, I have been given the length of a leg.  How do I find the length of the hypotenuse?

• It is the same length as the given leg.
• Multiply that leg's length by √2.
• Multiply that leg's length by 2.
• Divide that leg's length by √2.

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 length of y in this 45-45-90 triangle?

• 8√2
• 4√2
• 4
• 8

Tags

CCSS.8.G.B.8

Solve for a and b in the special right triangle.

• a = 5, b = 5
• a = 10, b = 10√2
• a = 10√2, b = 10√2
• a = 5√2, b = 5√2

Tags

CCSS.8.G.B.8

What is the length of CD?

• 1

• 1rad2

• 2rad1

• 1.3

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

• 6
• m
• n

Tags

CCSS.HSG.CO.C.10