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Home > GC > Chapter 2 > Lesson 2.2.1 > Problem 2-62

2-62.

Examine the diagram at right. Then use the information provided in the diagram to find the measures of angles , and . For each angle, name the relationship from your Angle Relationships Toolkit that helped justify your conclusion. For example, did you use vertical angles? If not, what type of angle did you use?  

two increasing transversal lines, crosse two parallel lines. At the upper intersection of the left transversal: interior right is, d.  At the lower intersection of the left transversal: interior left is, c, and exterior left is 148 degrees . At the upper intersection of the right transversal: exterior right is, 62 degrees.  At the lower intersection of the right transversal: interior left is, b, and exterior right is, a .

Review the Math Notes box in Lesson 2.1.4.