Triangle Exterior Angles and Equations

Triangle Exterior Angles and Equations

7th Grade · Math · 45 min· 8.g.5 Use Informal Arguments To Establish Facts About The Angle Sum And Exterior Angle Of Triangles, About The Angles Created When Parallel Lines Are Cut By A Transversal, And The Angle-angle Criterion For Similarity Of Triangles.

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Learning Objective

I can write and solve equations to find missing angle measures in triangles using the exterior angle theorem.

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