Dodecagon: Sides, Area & Angles


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question 1 of 3

How many sides does a dodecagon have?

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1. What is the measurement of the interior angles of a regular dodecagon?

2. Using the following formula, compute the area of a dodecagon with sides of length 10. (Round the answer to the nearest whole number)

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About This Quiz & Worksheet

If you've ever taken a geometry class, you may be familiar with the shape of a dodecagon. Test your understanding with this quiz/worksheet combo on the characteristics of a dodecagon. The quiz will ask you to identify the formula used to approximate the area of a regular dodecagon and present a problem for calculation of the area of a dodecagon.

Quiz & Worksheet Goals

This quiz and worksheet will test you on the following:

  • The number of sides of a dodecagon
  • The measurement of the interior angles
  • Definition of a regular dodecagon

Skills Practiced

These assessments allow students to test their knowledge by using the following skills:

  • Problem solving - use acquired knowledge to calculate the area of a dodecagon
  • Information recall - access the knowledge you've gained regarding the characteristics of a regular dodecagon
  • Knowledge application - use your knowledge to answer questions about the measurement of the interior angles of a regular dodecagon

Additional Learning

Learn more about dodecagons by reviewing the accompanying lesson, Dodecagon Sides, Area & Angles. The lesson covers the following objectives:

  • Learn from where the name dodecagon is derived
  • Differentiate between the exact and approximate area formulas
  • Review sample problems calculating the area of dodecagons