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

Adjacent Angles

Open Up Resources 30 min(s)

In this lesson, students are introduced to the terms complementary, for describing two angles. They practice finding an unknown angle given the measure of another angle that is complementary or supplementary. Recognize when adjacent angles in a diagram are complementary or supplementary and know what this means for their measures. Learning targets: students can recognize when adjacent angles are complementary or supplementary and find unknown angle measures by reasoning about complementary or supplementary angles.

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