Geometry Tangent Lines and Circles

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

• 2

• 11

• 7.6

• 9

What is the value of x?

• 5

• 7

• 19

• 35

Lines AO and BO are tangent. What is the measure of BO?

• 20

• 15

• 10

• 5

find the measure of angle a

• 30

• 21

• 60

• 120

Which of the following is a good definition for a circle?

• All points equidistant from a single point

• A round polygon

• A continuous curve

• Two semi-circles put together

Line segment AB is tangent to the circle.

• True

• False

Line segment AB is tangent to circle C. What is the radius of the circle?

• 11

• 15

• 10

• 8

Line segment AB and AD are both tangent to circle C. Find x.

• 2

• 3

• 4

• 5

Line segment AB is tangent to circle C. What is the radius of the circle?

• 3.75

• 4.25

• 3.25

• 3.5

Is line segment AB tangent to the circle?

• Yes

• No