Objective
Classify triangles by sides and angles, and justify each classification using the angle-sum theorem.
Jacobs, Geometry — Lesson 4.2
Family copy, 3rd edition · Bound resource, not reproduced here
Question set2 of 8 answered
1Classify △ABC and give your reason
2Exterior angle — solve for x
3Two angles measure 47° and 47°. Classify by sides and by angles.
4Construction — copy an angle
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