Learning goals: Teacher Facing Draw triangles with two given angle measures and one side length, and describe (orally) how many different triangles could be drawn with the given conditions. Use drawings to justify (in writing) whether two given angle measures and one side length determine one unique triangle. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 7.7 Angles, Triangles, and Prisms, Grade 7.