Secant and Tangent Lines on a Circle

Which has exactly 2 points ON the circle? (Choose all that apply)

• secant

• tangent

• chord

• none of these

Which has exactly 1 point ON the circle? (Choose all that apply)

• secant

• tangent

• chord

• none of these

Is line AB tangent to the circle?

• YES

• NO
  NO

• Can't Tell
  Can't Tell

Assume that the lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x to the nearest tenth.

• 11.7

• 10.8

• 13.0

• 14.2

What is the value of x?

• A

• B

• C

• D

What is the value of x?

• 22

• 25

• 15

• 20

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

• 15

• 6

• -24

• 14

Find the measure of the arc or angle indicated. Assume that lines which appear tangent are tangent.

• 36

• 35

• 30

• 41

Find the measure of angle ABD.

• 14

• 51

• 37

• 65

Solve for x.

• 29

• 33

• 41.5

• 50