Tangent
54 min 17 Examples
- Introduction
- Overview of what is a Circle, Radius, Chord, Diameter, Secant, and Tangent (Examples #1-5)
- Overview of External and Internal Tangents and Concentric Circles (Examples #6-9)
- Two Theorems(Examples #10-11)
- Solve for x, in the given problems (Examples #12-14)
- Find the perimeter of the triangle in the given problems (Example #15)
- Find the indicated angle measure in the given problems (Example #16)
- Find the indicated segment for the given problem (Example #17)
Arc
47 min 8 Examples
- Introduction to Video: Arcs of Circles
- Overview of Minor and Major Arcs and the Arc Addition Postulate
- Find the measure of each arc (Examples #1-3)
- Overview of Congruent Arcs (Examples #4-6)
- Complete the two-column proof given arcs of a circle (Examples #7-8)
Chord
44 min 15 Examples
- Introduction to Video: Chords
- 5 Theorems and Definitions involving Chords of a Circle
- Find the measure of the indicated chord or arc (Examples #1-6)
- Find the measure of the indicated chord or arc (Examples #7-10)
- Answer True or False given a statement about chords or arcs of circles (Examples #11-15)
Inscribed Angle
38 min 8 Examples
- Introduction
- Overview of the theorems and intercepted arcs (Examples #1-3)
- Semicircles and the inscribed quadrilateral theorem (Examples #4-5)
- Find the indicated measure given an inscribed angle, quadrilateral or semicircle (Examples #6-8)
Intersecting Secants Theorem
1 hr 4 min 15 Examples
- Introduction to Video: Intersecting Secants
- Overview of the four theorems for angle relationships in circles
- Find the indicated angle or arc given two secants or tangent lines (Examples #1-5)
- Solve for x given two secants, tangents or chords (Examples #6-11)
- Find the measure of the arc or angle given secants and tangents (Examples #12-15)
Segment Lengths
46 min 10 Examples
- Introduction to Video: Lengths of Intersecting Secants
- Theorems for finding segment lengths in circles (Examples #1-4)
- Find the indicated segment length (Examples #5-8)
- Find the indicated segment length given secants and tangents (Examples #9-10)
Chapter Test
1 hr 14 min 28 Practice Problems
- Identify aspects of a circle (Problems #1-7)
- Find the measure of each segment given a circle (Problems #8-11)
- Find the measure of each segment given a circle (Problems #12-13)
- Find the degree measure for each arc or angle (Problem #14)
- Find the degree measure for each arc or angle (Problems #15-19)
- Find the degree measure for each angle or arc (Problems #20-24)
- Solve for x given intersecting chords, secants or tangents (Problems #25-27)
- Find the indicated angle, arc and segment length (Problem #28)