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- 1. Multiple Choice
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
- 2. Match
Match the following part of the circle with its correct label.
Point S
Center
Chord
Radius
Diameter
Tangent Line
- 3. Match
Match the following vocabulary term with its appropriate part of the circle.
Secant Line
Point of Tangency
Point V
Minor Arc
Line PR
Major Arc
Semi-Circle
- 4. Multiple Choice
What is the formula to use to find a central angle
Central Angle = Intercepted Arc
2(Intercepted Arc)
- 5. Multiple Choice
Find the measure of the missing angle. (Hint: Central Angles)
60
310
155
50
- 6. Multiple Choice
What is the formula to use when solving for an inscribed angle?
Equal to the Intercepted Arc
2(Intercepted Arc)
- 7. Multiple Choice
If a quadrilateral is inscribed in a circle, the opposite angles are
Supplementary
Congruent
Complimentary
- 8. Multiple Choice
What is the formula to use when solving for an intercepted arc of an inscribed angle?
Equal to the Inscribed Angle
2(Inscribed Angle)
- 9. Multiple Choice
What is the measure of the missing angle in degrees? (Hint: Inscribed Angle)
102
51
204
40
- 10. Multiple Choice
If an inscribed angle intercepts a diameter, then it is a(n) _ angle.
Obtuse
Right
Acute
- 11. Multiple Choice
If 2 inscribed angles intercept the same arc, they are _.
Congruent
Supplementary
Complimentary
- 12. Multiple Choice
Find the measure of the missing angle in degrees. (Hint: Overlapping Arcs and Inscribed Angles)
41
37
82
164
- 13. Multiple Choice
What is the formula used when finding an angle formed by an intersecting secant and tangent on the circle?
2(Inscribed Angle)
2(Intercepted Arc)
- 14. Multiple Choice
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
- 15. Multiple Choice
What is the value of x? (Hint: Segment Lengths in Circles)
1.03
2.12
1.25
0.87
- 16. Multiple Choice
What is the formula to use when solving for an exterior angle formed by 2 exterior intersecting secants, an exterior intersecting secant and tangent, or 2 exterior intersecting tangents of a circle?
2(Major Arc + Minor Arc)
Major Arc - Minor Arc
- 17. Multiple Choice
Solve for angle "x" in degrees. (Hint: Intersecting Exterior Secants- Finding Arcs and Angles)
60
55
115
87
- 18. Multiple Choice
If 2 segments from the same external point are tangent to a circle, then they are_.
Supplementary
Congruent
Complimentary
- 19. Multiple Choice
Solve for x. (Hint: Length of Tangent Lines from the Same External Point)
42.4
52
52.3
42
- 20. Multiple Choice
What is the formula to use when solving for arcs/angles in circles with intersecting chords?
- 21. Multiple Choice
Find the measure of the missing angle in degrees. (Hint: Intersecting Chords)
79
57
22
83
- 22. Multiple Choice
Find the measure of the missing arc in degrees. (Hint: Intersecting Chords)
103
16
71
94
- 23. Multiple Choice
If a polygon is circumscribed around a circle, then all sides are_.
Tangent
Secant
Supplementary
Complimentary
Congruent
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