Circle, Chords, Secants, Tangents, Angles, Lengths

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

• Point of Tangency

• Semi-Circle

• Point V

• Major Arc

• Minor Arc

• Line PR

• Secant Line

Find the measure of the missing angle. (Hint: Central Angles)

• 60

• 310

• 155

• 50

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

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

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

What is the formula to use when solving for arcs/angles in circles with intersecting chords?

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

• 79

• 57

• 22

• 83