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A tangent line intersects the circle ...

• in exactly two points

• in exactly one point

• through the center

• with the diameter

Which shows a tangent line?

• 
• 
• 
• 

If a line is tangent to a circle, then it is ________ to the radius drawn to the point of tangency.

• parallel

• adjacent

• supplementary

• perpendicular

The polygon circumscribes the circle. Find the perimeter.

• 78

• 84

• 72

• 86

The polygon circumscribes a circle. What is the perimeter of the polygon?

• 82

• 32

• 21

• 42

What is the value of x?

• A
• B
• C
• D

What is the value of x?

• 22
• 25
• 15
• 20

Assume that lines that appear to be tangent are tangent. O is the circle. What is the value of x?

• 90

• 140

• 220

• 360

In each circle, what is the value of x to the nearest tenth?

• 4.25

• 14.10

• 3.75

• 6.25

Which best describes segment AB?

• chord
• secant
• tangent
• diameter