# Ch 5: Prentice Hall Geometry Chapter 5: Relationships Within Triangles

The Relationships within Triangles chapter of this Prentice Hall Geometry Textbook Companion Course helps students learn essential geometry lessons of relationships within triangles. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Relationships Within Triangles textbook chapter.

## How it works:

• Identify the lessons in the Prentice Hall Geometry Relationships within Triangles chapter with which you need help.
• Find the corresponding video lessons within this companion course chapter.
• Watch fun videos that cover the relationships within triangles topics you need to learn or review.
• Complete the quizzes to test your understanding.
• If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

## Students will learn:

• Mid-segments of a triangle
• Angle and perpendicular bisector theorems
• Concurrency of angle bisectors or perpendicular bisectors in triangles
• Methods for constructing the median of a triangle
• Altitude, angle and median bisectors of triangles
• Contrapositive, indirect and inverse reasoning
• Indirect proof and its uses
• Methods for comparing the measurements of a triangle
• Theorems of inequality
• Inequality in triangles

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3 Lessons in Chapter 5: Prentice Hall Geometry Chapter 5: Relationships Within Triangles
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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