Description
Students know how to find missing interior and exterior angle measures of triangles and present informal arguments to prove their answer is correct.
Downloads
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Credits
From EngageNY.org of the New York State Education Department. Grade 8 Mathematics Module 2, Topic C, Lesson 14.
Available from engageny.org/resource/grade-8-mathematics-module-2-topic-c-lesson-14; accessed 2015-05-29.
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