Videos:

*(12:57) Notation of Basic Geometry

(3:38) Line segments, rays, and lines

(4:43) Vertical Angles

**(7:07) Angles formed by parallel lines and transversals

(2:16) Application 1

*(4:41) Application 2

(6:03) Triangle Angle 1

*(4:55) Triangle Angle 2

*(5:42) Triangle Angle 3

*(5:18) Corresponding angle equivalence implies parallel lines Proof

(6:05) Triangle Angle 4

**(9:11) Sum of Interior Angles of a polygon

(5:24) Sum of exterior angles of a convex polygon

*(8:31) Complimentary and supplementary angles

Examples:

(2:33) I

(2:37) II

Worksheet: 11-Geometry I