Angle Sums of Polygons updated.
Corresponding, Alternate, and Co-Interior Angles -> Angles Formed by Transversals updated.
Parallel Lines and Transversals -> Parallel Lines Crossed by Transversals updated.
Corresponding, Alternate, and Co-Interior Angles -> Angles Formed by Transversals updated.
Parallel Lines and Transversals -> Parallel Lines Crossed by Transversals updated.