Tangent and Secant Angles in Circles

Is line AB tangent to the circle?

• YES

• NO
  NO

• Can't Tell
  Can't Tell

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

• tangent

• secant

• chord

• radius

find the measure of y

• 30

• 60

• 90

• 180

Is line AB tangent to the circle?

• YES

• NO
  NO

• Not Enough Info

Where in the intersection of the secants shown?

• Inside the circle

• Outside the circle

• On the circle

• The secants do not intersect.

• 33
• 18
• 46
• 16

Where in the intersection of the secants shown?

• Inside the circle

• Outside the circle

• On the circle

• The secants do not intersect.

Find x

• 10

• 5

• 18

• 9

Where in the intersection of the secants shown?

• Inside the circle

• Outside the circle

• On the circle

• The secants do not intersect.

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

• 20

• 15

• 10

• 5