OVERVIEW:

This matching activity is a great way to have students practice finding unknown measures of interior and exterior angles of triangles. There are 12… is a educational Infographics - By Athena Bier.It helps students in grades 8 practice the following standards 8.G.A.5.

This page not only allows students and teachers to get information about the book but also find engaging Sample Questions, Videos, Pins, Worksheets, Apps related to the following topics.

1. 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. For example, arrange three copies of the same triangle so that the three angles appear to form a line, and give an argument in terms of transversals why this is so..