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Home > GC > Chapter 7 > Lesson 7.3.2 > Problem 7-115


Consider with vertices , , and .  

  1. Draw on graph paper. What kind of triangle is ?

  2. Reflect across . Where is ? And what shape is ?

When proving things algebraically, use slope formula and distance formula to justify conclusions.
Remember when slopes are equal lines are parallel, if slopes are negative reciprocals then lines are perpendicular.

Use the eTool below to help solve the problem.
Click on the link at the right for the full eTool version: 7-115 HW eTool