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

8-23.

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

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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, 5 y minus 10 degrees. The lower left intersection has an interior top angle, 3x, and the lower right intersection has an interior top angle, y.