Multiple choice

How many sides are there in a decagon?

  1. 8

  2. 10

  3. 12

  4. 6
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A decagon is a polygon with 10 sides. The prefix 'deca' or 'deci' means ten. Examples: decade (10 years), decathlon (10 events). A hexagon has 6 sides, octagon has 8 sides, and dodecagon has 12 sides. This is basic polygon nomenclature derived from Greek/Latin numerical prefixes.

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