Chords Secants Tangent Angles

In the circle, find the measure of angle CAB.

• A

• B

• C

• D

Find the measure of ∠ABD.

• 129⁰

• 51⁰

• 100⁰

• 65⁰

Find the measure of the missing angle in degrees. (Hint: Intersecting Chords)

• 79

• 57

• 22

• 83

What is the difference between a tangent line and a secant line?

• A secant intersects the circle twice; a tangent touches the circle once

• A tangent intersects the circle twice; a secant touches the circle once

• A secant goes through the center of the circle; a tangent does not

• A secant is outside the circle; a tangent is inside the circle

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

• Secant Line

• Line PR

• Point of Tangency

• Semi-Circle

• Minor Arc

• Point V

• Major Arc

What is the measure of the missing angle in degrees? (Hint: Inscribed Angle)

• 102

• 51

• 204

• 40

If an inscribed angle intercepts a diameter, then it is a(n) _ angle.

• Obtuse

• Right

• Acute

If 2 inscribed angles intercept the same arc, they are _.

• Congruent

• Supplementary

• Complimentary

Find the measure of the missing angle in degrees. (Hint: Overlapping Arcs and Inscribed Angles)

• 41

• 37

• 82

• 164

What is the formula to use when solving for a segment length of intersecting chords in a circle?

• ab=cd

• a(a+b)=c(c+d)

• a+b=c+d