Octagon in Geometry: Definition, Properties & Formula


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question 1 of 3

What type of octagon is an octagon that has congruent sides and is convex?

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1. Which of the following correctly classifies the octagon in the image?

2. Find the area of a regular octagon with side lengths of 3.

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About This Quiz & Worksheet

You've no doubt learned by now that octagons are the shapes with eight sides, but there are other properties to this shape that it will greatly help to know. This quiz will have you not only recall these properties, but calculate area.

Quiz &Worksheet Goals

This octagon quiz is for you to test your ability to:

  • Recognize what kind of octagon a given one is from its descriptions
  • Classify an octagon when given an image
  • Find the area of a given regular octagon

Skills Practiced

  • Reading comprehension - draw from relevant information from the lesson on octagons
  • Problem solving - use this information to successfully calculate area
  • Information recall - remember the knowledge you've gained about octagons
  • Knowledge application - use this information to successfully answer questions about octagons and their properties

Additional Learning

The lesson Octagons in Geometry: Definitions, Properties & Formula covers the following objectives:

  • Contrast regular and irregular octagons
  • Provide the formula for area of a regular octagon with examples