# Ch 8: NY Regents - Triangles and Congruency: Help and Review

The Triangles and Congruency chapter of this NY Regents Exam - Geometry Help and Review course is the simplest way to master triangles and congruency for the NY Regents Exam. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of triangles and congruency.

## Who's it for?

Anyone who needs help learning or mastering geometry material for the NY Regents Exam will benefit from taking this course. There is no faster or easier way to learn high school geometry. Among those who would benefit are:

• Students who have fallen behind in understanding the definition and properties of triangles and their proofs and theorems
• Students who struggle with learning disabilities or learning differences, including autism and ADHD
• Students who prefer multiple ways of learning math (visual or auditory)
• Students who have missed class time and need to catch up
• Students who need an efficient way to learn about triangles and congruency for the NY Regents Exam
• Students who struggle to understand their teachers
• Students who attend schools without extra math learning resources

## How it works:

• Find videos in our course that cover what you need to learn or review.
• Press play and watch the video lesson.
• Refer to the video transcripts to reinforce your learning.
• Test your understanding of each lesson with short quizzes.
• Verify you're ready by completing the Triangles and Congruency chapter exam.

## Why it works:

• Study Efficiently: Skip what you know, review what you don't.
• Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
• Be Ready on Test Day: Use the Triangles and Congruency chapter exam to be prepared.
• Get Extra Support: Ask our subject-matter experts any triangles and congruency question. They're here to help!
• Study With Flexibility: Watch videos on any web-ready device.

## Students will review:

This chapter helps students review the concepts in a triangles and congruency unit of a standard high school geometry course. Topics covered include:

• Definition and properties of triangles
• Classification of triangles
• Perimeter of triangles and rectangles
• Interior and exterior angles of triangles
• Triangle congruence postulates
• Congruence proofs
• Perpendicular bisector theorem
• Angle bisector theorem
• Congruency of isosceles triangles
• Median, altitude and angle bisectors of a triangle
• Properties of concurrent lines in a triangle
• Congruency of right triangles
• Construction of triangles and the median of triangles
• Properties of dilations
• Similarity transformations
• Proofs of relationships in figures using congruence and similarity

30 Lessons in Chapter 8: NY Regents - Triangles and Congruency: Help and Review
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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