Use properties, postulates, and theorems to prove a theorem about a triangle. In this interactive tutorial, you'll also learn how to prove that a line parallel to one side of a triangle divides the other two proportionally.Â
General Information
Subject(s): Mathematics
Grade Level(s): 9, 10, 11, 12
Keywords: Similarity, Similar Triangles, theorems about triangles, corresponding angles:, corresponding sides , Angle-Angle Similarity , Side-Angle-Side Similarity, The Triangle Proportionality Theorem, alternate interior angles, The Segment Addition Postulate
Instructional Component Type(s):
Original Student Tutorial
Resource Collection:
Original Student Tutorials Mathematics - Grades 9-12