Tangent to a Circle

Determine if line AB is tangent to the circle.

• Tangent

• Not Tangent

QS is a tangent to circle P.  Find QS.

• 144

• 14

• 12

• 13

Find the segment length indicated. Assume that lines which appear to be tangent are tangent.

• 2

• 3

• 4

• 5

• 5

• 13

• 7

• 11

What can you conclude?

• AB and AC are not congruent.

• AB= half of AC

• AC = half of AB

• AB=AC

Find x

• 10

• 5

• 18

• 9

In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?"

• -15

• 6

• 15

• 14

In the diagram, TP and TQ are tangents to circle O. Determine the value of x. (Note the angles with single arcs are not necessarily congruent in this diagram.)

• 70

• 110

• 140

• 90

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

• 6

• 7

• 8

• 9

Solve for x.

• 3.6

• 9.2

• 11.5

• 14.3