Tangents and Secants of a Circle

What is the definition of a tangent?

• A line that intersects the circle on two points.

• A line that passes through the center of the circle.

• A line segment that passes through the center of the circle.

• A line that intersects the circle on only one point.

What can you conclude from the picture?

• m is parallel to circle C

• m is skew to circle C

• m bisects circle C

• m is tangent to circle C

A tangent to a circle is ________________________ to the radius drawn to the point of tangency.

• congruent

• perpendicular

• complimentary

• supplementary

What is BJ?

• Secant

• Radius

• Chord

• Tangent

• 1) 32

• 2) 48

• 3) 52

• 4) 38

Answer explanation

Is BD tangent to the circle?

• Yes

• No

Find the length of CF.

• 8

• 4

• 3

• 6

Is the given segment tangent to circle K?

• Yes

• No

Where in the intersection of the secants 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.