Chapter 9: SE Right Triangle Trigonometry - TI Created by: CK-12 CK-12 Texas Instruments Geometry Student Edition Read Resources Details The activities below are intended to supplement our Geometry FlexBook® resources. CK-12 Geometry - Second Edition: Chapter 8 CK-12 Geometry - Basic: Chapter 8 Chapter Outline 9.1. The Pythagorean Theorem9.2. Investigating Special Triangles9.3. Ratios of Right Triangles Chapter Summary Image Attributions Share this: Description This chapter tasks students with proving the Pythagorean theorem using the Cabri Jr. application in addition to covering the properties of special triangles such as the 45-45-90, 30-60-90, and isosceles triangles. Difficulty Level: At Grade Editors: Lori Jordan Tags: Cabri Jr. Pythagorean theorem special triangles (2 more) TI.MAT.ENG.SE.1.Geometry.9 trigonometry Subjects: mathematics Grades: 9 , 10 Date Created: Feb 23, 2012 Last Modified: Nov 03, 2014 You can only attach files to None which belong to you If you would like to associate files with this None, please make a copy first.