# NY Regents Exam - Geometry: Help and Review

### Course Summary

Use this interactive review course to easily get ready to take the NY Regents Geometry exam. Watch our short video lessons at your own pace and then test your understanding of the topics with our quizzes. These resources can be accessed from any mobile platform so you can study on the go as well as at home.
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#### 11 chapters in NY Regents Exam - Geometry: Help and Review

Course Practice Test

Check your knowledge of this course with a 50-question practice test.
• Comprehensive test covering all topics
• Detailed video explanations for wrong answers
Week {{::cp.getGoalWeekForTopic(7, 11)}}
Course Progress Best Score
Lesson 1 - Triangles: Definition and Properties
Lesson 2 - Area of Triangles and Rectangles
Lesson 3 - Classifying Triangles by Angles and Sides
Lesson 4 - Perimeter of Triangles and Rectangles
Lesson 5 - Interior and Exterior Angles of Triangles: Definition & Examples
Lesson 6 - How to Identify Similar Triangles
Lesson 7 - Triangle Congruence Postulates: SAS, ASA & SSS
Lesson 8 - Applications of Similar Triangles
Lesson 9 - Congruence Proofs: Corresponding Parts of Congruent Triangles
Lesson 10 - Perpendicular Bisector Theorem: Proof and Example
Lesson 11 - Angle Bisector Theorem: Proof and Example
Lesson 12 - Congruency of Isosceles Triangles: Proving the Theorem
Lesson 13 - Converse of a Statement: Explanation and Example
Lesson 14 - Median, Altitude, and Angle Bisectors of a Triangle
Lesson 15 - Properties of Concurrent Lines in a Triangle
Lesson 16 - Angles and Triangles: Practice Problems
Lesson 17 - Congruency of Right Triangles: Definition of LA and LL Theorems
Lesson 18 - Constructing Triangles: Types of Geometric Construction
Lesson 19 - Constructing the Median of a Triangle
Lesson 20 - The AAS (Angle-Angle-Side) Theorem: Proof and Examples
Lesson 21 - The HA (Hypotenuse Angle) Theorem: Proof, Explanation, & Examples
Lesson 22 - The HL (Hypotenuse Leg) Theorem: Definition, Proof, & Examples
Lesson 23 - AA Similarity Postulate & Theorem
Lesson 24 - Circumcenter: Definition, Formula & Construction
Lesson 25 - Half-Angle: Formulas & Proof
Lesson 26 - Intercepted Arc: Definition & Formula
Lesson 27 - Percent Decrease: Formula & Calculation
Lesson 28 - Similar Triangles: Definition, Formula & Properties
Lesson 29 - Slope Triangle: Definition & Concept
Lesson 30 - Trigonal Planar in Geometry: Structure, Shape & Examples

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Practice Tests in this course
Check your knowledge of this course with a 50-question practice test. Once you take the test, you will receive a detailed exam report complete with your personal statistics and even specific lessons to focus on! Take the practice test now
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• Video lessons to explain complicated concepts
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