Volume & Surface Area of a Torus


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In mathematics, what is a torus?

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1. What is the inner radius of a torus?

2. If a torus has inner radius r = 2 feet and outer radius R = 5 feet, what is the surface area of the torus?

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About This Quiz & Worksheet

Inside this combination of a quiz and worksheet, you will review the processes of finding the volume and surface area of a torus. Questions ask you about the definition of a torus and calculating the volume of a doughnut.

Quiz & Worksheet Goals

Expect to see the topics mentioned below in the questions of the quiz:

  • The inner radius of a torus
  • Solving for the surface area
  • Solving the volume
  • Properly defining a torus

Skills Practiced

  • Defining key concepts - ensure that you can properly define a torus
  • Information recall - remember what you have learned about the inner radius
  • Knowledge application - use what you know to answer questions about surface area

Additional Learning

To get more practice with the shape, check out the lesson titled Volume & Surface Area of a Torus, which contains the extra topics that are mentioned below:

  • The outer radius
  • Formulas
  • The surface of an inner tube