Lectures in Basic Terminology
Lecture 1: Definition Of Points And Lines
Lecture 2: Definition Of Planes
Lecture 3: Definition Of Line Segments
Lecture 4: Definition Of Rays
Lecture 5: Definition Of Angles, Sides, And Vertex
Lecture 6: Definition Of Angle Measure
Lecture 7: Definition Of Angle Names - Right, Acute, Obtuse, ...
Lecture 8: Definition Of (Alternate) Interior And Exterior Angles
Lecture 9: Definition Of Parallel, Skew, And Intersecting Lines
Lecture 10: Definition Of Triangles - Isosceles, Acute, Obtuse, ...
Lecture 11: Definition Of Polygons And Convex Polygons
Lecture 12: Definition Of Polygons (Continued)
Lecture 13: What Makes Triangles Congruent?
Lecture 14: What Are Quadrilaterals?
Lecture 15: What Are Trapezoids?
Lecture 16: Ratios And Proportions
Lecture 17: Properties Of Proportions
Lecture 18: What Makes Polygons Similar And Non-Similar?
Lecture 19: What Are Lines Of Symmetry?
Lecture 20: The Right Triangle And Pythagorean Theorem
Lecture 21: The Altitude (Height) Of A Right Triangle
Lecture 22: Proportions Of The Right Triangle
Lecture 23: Rectangular Solids
Lecture 24: The Regular Square Pyramid
Lecture 25: The Circle
Lecture 26: What Are Tangent Lines?
Lecture 27: What Are Arcs And Central Angles?
Lecture 28: Find The Angles Using Arcs And Central Angles
Lecture 29: What Are Inscribed Angles?
Lecture 30: Using Inscribed Angles To Find The Angle
Lecture 31: What Are Chords?
Lecture 32: What Does Inscribed And Circumscribed Mean?
Lecture 33: Find Angles With Vertices Inside The Circle
Lecture 34: Length Of Chords Inside Circles