Problem of the Week
Links for Teachers
Extra Challenge Answers Index
Crossword Puzzle Answers
Online Lesson Planner
How can a soccer goalkeeper best defend the goal? How are fractals created? You'll use properties of angle bisectors and midsegments to explore the answers to these questions in Chapter 5.
5.1 Perpendiculars and Bisectors
5.2 Bisectors of a Triangle
5.3 Medians and Altitudes of a Triangle
5.4 Midsegment Theorem
5.5 Inequalities in One Triangle
5.6 Indirect Proof and Inequalities in Two Triangles
Parents Guide for Student Success (pdf)
Audio Summaries Transcripts
Career & Applications
Copyright © 1995-2008 Houghton Mifflin Harcourt Publishing Company. All rights reserved.