Parts of a Circle and Tangent Lines

Find the measure of arc NL

• 21°

• 42°

• 45°

• 84°

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

• 36

• 35

• 30

• 41

What part of the circle is present?

• Tangent

• Secant

• Chord

• Diameter

Can a secant be a tangent?

• yes they are both the same line

• yes they are both parts of a circle

• No secant intersects twice and tangent intersects once

• No they both have nothing to do with circles

A segment that touches a circle at exactly one point.

• Tangent

• Segment

• Secant

• Chord

Define "tangent line"

• A line which intersects a circle at exactly one point

• A line that intersects a circle at two or more points

• A line that does not intersect a circle

• A line made up of the opposite and adjacent sides of the circle

Find the measure of angle ABD.

• 14

• 51

• 37

• 65

Solve for x.

• 29

• 33

• 41.5

• 50

What is the measure of angle 2?

• 80

• 45

• 125

• 40

Name a secant.

• BD

• DG

• HF

• AF