SU7ZT5d5
5.0
CCSS.Math.Content.8.G.A.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.
422
2020-12-17T17:26:57.406653Z
2020-12-17T17:26:57.406680Z
4