Back to Use informal arguments to establish facts about angles and similarity of triangles — Problem 3 · Task Set 67
8.G.A.5 Tutor Intake -- Angle Relationships and AA Similarity
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Grade 8·6 problems·~8 min·Common Core Math - Grade 8·container·8-g-a-5
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Procedures
1
In a triangle, angle X = 45 degrees and angle Y = 80 degrees.
Side YZ is extended past Z to form an exterior angle at Z. What
is the measure of the exterior angle, in degrees? Enter a number.