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Ch 38: 2D & 3D Geometric Figures

About This Chapter

Use this chapter to learn to find the properties of triangles, quadrilaterals, prisms, pyramids, cylinders, cones and spheres. Included in the chapter are animated video lessons along with transcripts and brief quizzes.

2D & 3D Geometric Figures - Chapter Summary

The lessons presented in this chapter will help you explore the classifications of two- and three-dimensional shapes and teach you to calculate the different properties of these shapes. Through these lessons, you may follow along with our professional instructors and review:

  • Properties and classifications of triangles
  • Ways to construct and find the properties of the various types of quadrilaterals
  • Calculations for the area and volume of prisms
  • How to calculate the properties of pyramids
  • Calculations for the area and volume of cones and cylinders
  • Steps used to find the area and volume of spheres

The above information is presented by experts who provide narration and answer your questions as you submit them. Study at your convenience at home or away, because the online lessons can be accessed via your mobile technology.

13 Lessons in Chapter 38: 2D & 3D Geometric Figures
Test your knowledge with a 30-question chapter practice test
Triangles: Definition and Properties

1. Triangles: Definition and Properties

What makes a shape a triangle? In this lesson, we'll explore the definition of a triangle, then analyze the parts of triangles, including the vertices, base and height.

Classifying Triangles by Angles and Sides

2. Classifying Triangles by Angles and Sides

Not all triangles are the same. There are equilateral, isosceles and scalene triangles. Then there are right, acute and obtuse triangles. In this lesson, we'll learn how to classify triangles using their sides and angles.

What is a Quadrilateral? - Definition, Properties, Types & Examples

3. What is a Quadrilateral? - Definition, Properties, Types & Examples

This lesson explains the definition and properties of a quadrilateral. We will look at examples of two categories of quadrilaterals. At the end, you will be able to test your knowledge with a quiz.

Parallelograms: Definition, Properties, and Proof Theorems

4. Parallelograms: Definition, Properties, and Proof Theorems

Watch this video lesson to learn how you can identify parallelograms. You will see the unique properties that belong to the parallelogram. You will see the special side and angle characteristics needed to prove a certain shape is a parallelogram.

What Is a Rhombus? - Definition and Properties

5. What Is a Rhombus? - Definition and Properties

Watch this video lesson to learn why rhombuses are a special type of quadrilateral. Also, learn why a rhombus is also a parallelogram. Watch as we explore the sides and angles of a rhombus.

Rectangles: Definition, Properties & Construction

6. Rectangles: Definition, Properties & Construction

Watch this video lesson to learn a bit about rectangles. Learn why rectangles are the building blocks of many homes. Also, learn about the properties that make a rectangle unique from other shapes. Finally, learn how you can draw one.

Squares: Definition and Properties

7. Squares: Definition and Properties

Squares can be found in many places in the real world. Watch this video lesson to see how useful they can be and also to learn how to find the perimeter and area of a square.

Trapezoids: Definition and Properties

8. Trapezoids: Definition and Properties

Watch this video lesson to learn what a trapezoid has to do with a triangle. Also, learn the special words that describe the various parts of a trapezoid. You will also see special types of trapezoids.

Prisms: Definition, Area & Volume

9. Prisms: Definition, Area & Volume

Watch this video lesson and you will see that there are different kinds of prisms. You will also learn how to separate a prism into its various parts so you can easily find the surface area. You will also learn the formula for the volume.

Pyramids: Definition, Area & Volume

10. Pyramids: Definition, Area & Volume

Do you think of the great pyramids of Egypt when you hear the word pyramids? Watch this video lesson to learn why they are called pyramids and also how to find their surface area and volume.

What Are Cylinders? - Definition, Area & Volume

11. What Are Cylinders? - Definition, Area & Volume

Watch this video lesson to learn why soda cans are cylinders and the method by which you can discover how much soda can fit inside by finding the volume. You will also learn about finding a cylinder's surface area.

Cones: Definition, Area & Volume

12. Cones: Definition, Area & Volume

Watch this video lesson to learn where in the real world you will see cones. Also, you will learn the formulas for finding the surface area and volume of these cones.

Spheres: Definition, Area & Volume

13. Spheres: Definition, Area & Volume

Watch this video lesson to learn how you can find the surface area and volume of spheres. Learn the formulas and measurements you need to solve problems and discover how to identify spheres in the real world.

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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Other Chapters

Other chapters within the CSET Multiple Subjects Subtest II (214): Practice & Study Guide course

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