Posted by **Robyn** on Monday, August 15, 2011 at 11:20am.

What are the differences and similarities between a regular pentagon and an irregular pentagon

- Mathematics -
**Jai**, Monday, August 15, 2011 at 12:12pm
both irregular and regular have 5 sides and 5 corners. also, both have the same TOTAL/SUM of the interior and exterior angles.

regular pentagon has sides of equal lengths, while irregular pentagon has sides of not equal or varying lengths.

hope this helps~ :)

- Mathematics -
**Reiny**, Monday, August 15, 2011 at 6:35pm
A regular pentagon must have not only equal sides, but also equal angles.

(you could have a pentagon with equal sides, but with different angles. Think of the pentagon being "squished". Such a pentagon would be irregular.)

- Mathematics -
**Angel**, Thursday, March 14, 2013 at 6:34pm
it has 6 sides

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