Tangent and Secant Angles in Circles

Match the following vocabulary term with its appropriate part of the circle.

• Point of Tangency

• Semi-Circle

• Line PR

• Minor Arc

• Major Arc

• Point V

• Secant Line

Solve for angle "x" in degrees. (Hint: Intersecting Exterior Secants- Finding Arcs and Angles)

• 60

• 55

• 115

• 87

If 2 segments from the same external point are tangent to a circle, then they are_.

• Supplementary

• Congruent

• Complimentary

Solve for x. (Hint: Length of Tangent Lines from the Same External Point)

• 42.4

• 52

• 52.3

• 42

If a polygon is circumscribed around a circle, then all sides are_.

• Tangent

• Secant

• Supplementary

• Complimentary

• Congruent

Solve for x.

• 29

• 33

• 41.5

• 50

What is the measure of angle 2?

• 80

• 45

• 125

• 40

Determine the measure of ∠NOP

• 15°

• 20°

• 40°

• 50°

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

• 36

• 35

• 30

• 41

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