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Home > CCG > Chapter 6 > Lesson 6.1.4 > Problem 6-40

6-40.

Two parallel transversal lines cross two parallel lines. About the upper left point of intersection, are angles from top left going clockwise, a, b, d, and c. About the upper right point of intersection, are angles from top left going clockwise: m, f, h, and g. About the lower left point of intersection, are angles from the top left going clockwise: t, r, u, and s. About the lower right point of intersection, are angles from the top left going clockwise, q, n, p, and k. Multiple Choice: Given the diagram at right, which of the statements below is not necessarily true?

  1. These all must be true.

Analyze each statement. Which one(s) are true?
Which one(s) are false?

(c). and will be supplementary, so this is false.