Triangle Congruence Proofs With Parallel Lines. See more ideas about teaching geometry, math geometry, high school math. The lines are perpendicular to the same line.
Choose from a list of our favorite proofs. S a ≅ n e; When two parallel lines are intersected by a third line, the corresponding angles of the two intersections are equal.
Triangle congruence proofs (day 73).
To play this quiz, please finish editing it. Surface area and volume identifying solid figures I should say they are parallel line segments. An isosceles triangle has two equal sides and the two angles opposite those sides are equal.