# Ch 14: Geometric Properties of Objects

Learn about the basic geometric properties of objects. Use these video lessons and self-assessment quizzes to aid in your preparation for the ELM exam.

## Geometric Properties of Objects - Chapter Summary

This chapter explores the properties of various shapes, including triangles, circles, rectangles, trapezoids and parallelograms. You will examine similar triangles and learn about different types of lines. Other lessons cover angles, and one lesson consists of practice problems to let you improve your skills in solving problems with angle pairs. Objectives covered in these lessons include:

• Parallel, perpendicular and transverse lines
• Vertical, corresponding, alternate interior and other types of angles
• The Pythagorean Theorem and its applications
• Properties of quadrilaterals, parallelograms, trapezoids and polygons
• Properties of congruent and similar shapes
• Applying scale factors to perimeter, area and volume of similar figures

Experienced instructors will guide you through each topic in these engaging video lessons, using real-world examples to show you how these concepts work. You can use the self-assessment quizzes at the end of each lesson to test your knowledge. Feel free to watch the videos as many times as you'd like.

### Geometric Properties of Objects Chapter Objectives

Many first-time students to the California State University system must take the ELM exam to determine their placement in mathematics courses. The ELM has a 90-minute time limit. It contains 50 multiple-choice questions, divided into three sections. The material covered in this chapter's lessons is in the Geometry section, which makes up about 30% of the total 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 160 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.