The angles on opposite sides of the transversal within the parallel lines are always equal. End of image gallery. Questions. Question 1: Which angle is alternate to 130°? Show answer Hide answer.

Interior angles on the same side of the transversal are referred to as consecutive interior angles or allied angles or co-interior angles. 8. In the following figure, find the value of x.

Solid Geometry and Conic Sections, with Appendices on Transversals and Harmonic Division; for the Use of Schools Geometrical Note-Book, containing Easy Problems in Gemotrical Drawing preparatory ...