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Home > CCG > Chapter 8 > Lesson 8.1.2 > Problem 8-23


Multiple Choice: Which equation below is not a correct statement based on the information in the diagram?

Read the Math Notes box in Lessons 2.1.1 and 2.1.4 about angle pair relationships.

B because and are a linear pair so , not .

Two intersecting sets of parallel lines.  The upper left intersection has an exterior bottom angle, 4 degrees minus x, and an interior bottom angle, 2 x minus 1 degree. The upper, right intersection has an interior, top, angle, 5y minus 10 degrees. The lower left intersection has an interior top angle, 3x,  and the lower right intersection has an interior top angle, y.