Ch 20: Basic Geometry Calculations

About This Chapter

This helpful chapter contains video lessons on basic geometry calculations that you can use to get ready for an exam or refresh your knowledge. Access these resources 24 hours a day on any tablet, computer or smartphone.

Basic Geometry Calculations - Chapter Summary

Our experienced instructors developed this chapter to make learning basic geometry calculations simple and enjoyable. The video lessons cover topics like the formulas for perimeter and area. Once you complete this chapter, you should be ready to:

  • Find solutions to geometry problems about volume
  • Discuss the area and circumference of circles
  • Solve real-world geometry problems involving area and perimeter

In this chapter, we've included a variety of resources you can use to study basic geometry. Use the video timelines to quickly navigate to the topics you need to review. Studying offline is easy when you use our printable lesson transcripts. If you get stuck, feel free to contact our subject matter experts for help.

7 Lessons in Chapter 20: Basic Geometry Calculations
Test your knowledge with a 30-question chapter practice test
What is Area in Math? - Definition & Formula

1. What is Area in Math? - Definition & Formula

Area is the size of a two-dimensional surface. This lesson will define area, give some of the most common formulas, and give examples of those formulas. A quiz at the end of the lesson will allow you to work out some area problems on your own.

Area: Real-World Geometry Problems

2. Area: Real-World Geometry Problems

View this lesson to see how you can use geometric area in real-world situations, like mowing the lawn or picking out which carpet installer you should hire. A quick area review and quiz are also included.

What is Perimeter? - Definition & Formula

3. What is Perimeter? - Definition & Formula

In mathematics, the perimeter is the distance around a two-dimensional shape. The formula for finding the perimeter of certain shapes will be discussed in this lesson, and there will be some examples to help you understand how to calculate the perimeter.

Perimeter: Real-World Geometry Problems

4. Perimeter: Real-World Geometry Problems

Watch this lesson to get some practice using perimeter in real-world situations. If you like baking brownies, you'll be able to use the math here to make your creations even more delicious!

How to Calculate the Volumes of Basic Shapes

5. How to Calculate the Volumes of Basic Shapes

Squares pegs = square holes. Triangular pegs = triangular holes. But where does a sphere go? In this lesson, review volumes of common shapes while contrasting a sphere and a cylinder - after all, they both go into the circular hole... right?

Volume: Real-World Geometry Problems

6. Volume: Real-World Geometry Problems

Volume isn't just a concept you use in textbooks! It's all around you in the real world. In this lesson, you'll work through two examples of real-world geometry problems and then get some more practice with a quiz.

Circles: Area and Circumference

7. Circles: Area and Circumference

Understanding how to calculate the area and circumference of circles plays a vital role in some of our everyday functions. They serve as the foundation for operating with three-dimensional figures. Learn more about the area and circumference of circles in this lesson.

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

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