Secant and Tangent Lines on a Circle

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

• 2

• 3

• 4

• 5

A line that intersects a circle at 2 points is a ...

• Tangent

• Chord

• Diameter

• Secant

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

Is the given segment tangent to circle K?

• Yes

• No

• 1) 32

• 2) 48

• 3) 52

• 4) 38

Answer explanation

• A
• B
• C
• D

The radius is 14 and CD = 22. How long is AE?

• 14

• 17.80

• 11

• 8.67

Where in the intersection of the lines shown?

• Inside the circle

• Outside the circle

• On the circle

• The secants do not intersect.

Where in the intersection of the secants shown?

• Inside the circle

• Outside the circle

• On the circle

• The secants do not intersect.