Kent notices that in parallelogram ABCD the consecutive (or adjacent) angles, 1 and 3, sum to 180 degrees. This means that they are supplementary. Will two adjacent angles of a parallelogram always add to 180 degrees? Why or why not? (Hint: What do you know about Sides AB and DC? If you let AD be a transversal, what does that imply about angles 1 and 2? What is the relationship between angles 2 and 3?)
Kent notices that in parallelogram ABCD the consecutive (or adjacent) angles, 1 and 3, sum to 180 degrees. This means that they are supplementary. Will two adjacent angles of a parallelogram always add to 180 degrees? Why or why not? (Hint: What do you know about Sides AB and DC? If you let AD be a transversal, what does that imply about angles 1 and 2? What is the relationship between angles 2 and 3?)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 62E
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Kent notices that in parallelogram ABCD the consecutive (or adjacent)
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