# Ch 15: Geometric Shapes & Properties

Check out these video lessons on the properties of points, lines, angles and basic shapes. You'll review methods for calculating area, perimeter and volume, determining triangle similarity and finding the measures of missing triangle sides or angles.

## Geometric Shapes & Properties - Chapter Summary

Begin your geometry review with lessons on the properties of points and lines as well as the types of angles formed by intersecting lines and transversals. You'll also compare the properties of triangles, circles and parallelograms - such as rhombuses, squares and rectangles - before reviewing formulas for their area and perimeter.

Our experienced instructors also walk you through the applications of the Pythagorean theorem, methods for proving triangle similarity and the steps involved in finding the measures of triangles' interior angles. Wrap up your geometry review with a lesson on formulas for the volume of three-dimensional shapes. Topics of instruction include:

• Points, lines and angles
• Basic shape properties
• Area, perimeter and volume
• The Pythagorean theorem
• Triangle similarity

This chapter's short video lessons allow you to focus on the topics you're interested in studying. Start with introductory lessons if you're looking for a more comprehensive review of geometric shapes and properties, or skip ahead to lessons covering the formulas and theorems you need some extra practice working with. Sample problems are included in the videos as well as the multiple-choice lesson and chapter quizzes.

15 Lessons in Chapter 15: Geometric Shapes & Properties
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

### Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.