Unit 6, Lesson 2, Grade 7 icon
Unit 6, Lesson 2

Solving for Unknown Angles Using Equations

EngageNY 45 min(s)

Students solve for unknown angles in word problems and in diagrams involving complementary, supplementary, vertical, and adjacent angles. The two intersecting lines form two pairs of vertical angles. In the following examples and exercises, students set up and solve an equation for the unknown angle based on the relevant angle relationships in the diagram.

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