Circles Tangent Secant Chords

inscribed angle: an angle with its vertex _____________ the circle

• at the center of

• on

What is x?

• 15

• 23

• 2

• 92

find the measure of x

• 38

• 21

• 27

• 96

Two tangents of a circle that meet outside of the circle at one point are _________.

• congruent

• perpendicular

• the same

Is line AB tangent to the circle?

• YES

• NO
  NO

• Can't Tell
  Can't Tell

A segment whose endpoints lie on a circle is a _______.

• tangent

• chord

• diameter

• secant

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

• tangent

• secant

• chord

• radius

A tangent is a line that touches a circle at just one point and forms a right angle with the circle's radius.

• True

• False

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

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

• 20

• 15

• 10

• 5