In the diagram, AC is tangent to circle B, find the length of CB.

• 6
• 7
• 8
• 9

Find m∠PRQ.

• 39°
• 90°
• 51°
• 15°

Find the length of LK

• 24

• 20.25

• 17.5

• 12.32

Which shows a tangent line?

• 
• 
• 
• 

Using lines tangent to the circle, find the value of x.

• 57

• 137

• 47

• 257

Point O is the center of each circle. Assume the lines that appear to be tangent are tangent. What is the value of the variable?

• 26

• 57

• 66

• 114

find the measure of x

• 13.5
• 54
• 27
• 96

A line in the same plane as a circle that intersects the circle at exactly one point is a ____________.

• tangent
• secant
• chord
• radius

In the figure,PA and PB are the tangents to a circle of center 'O'. ∠AOB= 120⁰ then ∠APB =

• 60⁰

• 30⁰

• 120⁰

• 75⁰

Find x.  Assume that segments that appear to be   tangent are tangent.

• 11.2
• 18.0
• 25.0
• 30.0