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High School Geometry: Help and Review

  • Course type: Self-paced
  • Available Lessons: 163
  • Average Lesson Length: 8 min
  • New lessons are still being added
  • Watch a preview:

    What is Geometry?
    chapter 1 / lesson 1
    What is Geometry?

  • High School Geometry: Help and Review Practice Test

Course Summary

If you're having a hard time keeping up in high school geometry class, try our comprehensive review course to get the help you need. Our short video lessons and quizzes work as an interactive study guide you can access from any mobile device at any time.
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13 chapters in High School 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
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Course Progress Best Score
Lesson 1 - Applications of Similar Triangles  Take Quiz
Lesson 2 - Triangle Congruence Postulates: SAS, ASA & SSS  Take Quiz
Lesson 3 - Congruence Proofs: Corresponding Parts of Congruent Triangles  Take Quiz
Lesson 4 - Converse of a Statement: Explanation and Example  Take Quiz
Lesson 5 - The AAS (Angle-Angle-Side) Theorem: Proof and Examples  Take Quiz
Lesson 6 - The HA (Hypotenuse Angle) Theorem: Proof, Explanation, & Examples  Take Quiz
Lesson 7 - The HL (Hypotenuse Leg) Theorem: Definition, Proof, & Examples  Take Quiz
Lesson 8 - Perpendicular Bisector Theorem: Proof and Example  Take Quiz
Lesson 9 - Angle Bisector Theorem: Proof and Example  Take Quiz
Lesson 10 - Congruency of Right Triangles: Definition of LA and LL Theorems  Take Quiz
Lesson 11 - Congruency of Isosceles Triangles: Proving the Theorem  Take Quiz
Lesson 12 - Angle of Depression: Definition & Formula  Take Quiz
Lesson 13 - Law of Syllogism in Geometry: Definition & Examples  Take Quiz
Lesson 14 - Midpoint Theorem: Definition & Application  Take Quiz
Lesson 15 - Perpendicular Bisector: Definition, Theorem & Equation  Take Quiz
Lesson 16 - Proof by Contradiction: Definition & Examples  Take Quiz
Lesson 17 - Pythagorean Identities in Trigonometry: Definition & Examples  Take Quiz
Lesson 18 - Square Matrix: Definition & Concept  Take Quiz
Lesson 19 - Tetrahedral in Molecular Geometry: Definition, Structure & Examples  Take Quiz
Lesson 20 - Proof by Induction: Steps & Examples  Take Quiz
Lesson 21 - Ceva's Theorem: Applications & Examples  Take Quiz

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Practice Tests in this course
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