Holt Geometry: Online Textbook Help
 Course type: Selfpaced
 Available Lessons: 82
 Average Lesson Length: 8 min

Eligible for Certificate:
Certificate completed
Yes
Certificates show that you have completed the course. They do not provide credit.

Watch a preview:
chapter 1 / lesson 1What is Geometry?
Course Summary
Supplement what you're learning in your geometry textbooks with our Holt Geometry: Online Textbook Help course. Use these fun video lessons to review some of the more challenging concepts in covered in this textbook and then test your knowledge with our accompanying quizzes.to start this course today
Try it riskfree for 30 days
11 chapters in Holt Geometry: Online Textbook Help
Course Practice Test
Check your knowledge of this course with a 50question practice test. Comprehensive test covering all topics
 Detailed video explanations for wrong answers
Course Progress  Best Score  

Lesson 1  What Are Platonic Solids?  Definition and Types  Take Quiz  
Lesson 2  Planes and the Polyhedron: Definition and Example  Take Quiz 
Who's it for?
Anyone enrolled in a class using the Holt Geometry textbook should consider this companion course. You will learn the material faster, retain it longer and earn a better grade.
How it works:
 Identify the chapter in your Holt Geometry textbook with which you need help.
 Find the corresponding chapter within our Holt Geometry Textbook Companion Course.
 Watch fun videos that cover the geometry 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.
Why it works:
 Fun Content: These videos make learning Holt Geometry fun with engaging animation and real world examples.
 Great Instructors: Study.com uses exceptional educators who can take concepts like geometric proofs and make them easy to understand.
 Multiple Ways to Learn: Watch videos or read the lesson transcript.
 Easy to Use: Access this textbook companion on any smartphone, tablet or laptop.
Students will learn topics including:
 Measuring lengths and angles
 Using the coordinate plane
 Building geometric proofs
 Area and perimeter of shapes, including and parallelograms and trapezoids
 Properties of circles, including tangents and chords
 Properties of lines
 Triangle construction and congruence
 The Pythagorean theorem
 Surface area and volume of 3dimensional shapes, including prisms and spheres
 Similarity theorems
 Trigonometry, including sine and cosine
Holt Geometry is a registered trademark of Holt, Rinehart and Winston, which is not affiliated with Study.com.
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 Answers and detailed explanations to each question
 Video lessons to explain complicated concepts