- any of the four angles formed on the outside of two straight lines when crossed by a transversal
- an angle formed by any side of a polygon and the extension of the adjacent side

# exterior angle

exterior angle

**MLA Style**

"exterior angle." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/exterior-angle>.

**APA Style**

exterior angle. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/exterior-angle

## exterior angle

noun

- The angle between any side of a polygon and an extended adjacent side.
- Any of the four angles that do not include a region of the space between two lines intersected by a transversal.

**exterior angle**

Angles 1, 2, 7, and 8 are exterior angles.

**MLA Style**

"exterior angle." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/exterior-angle>.

**APA Style**

exterior angle. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/exterior-angle

(*plural* exterior angles)

- attributive form of
*exterior angle**exterior-angle formula*

**MLA Style**

"exterior angle." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/exterior-angle>.

**APA Style**

exterior angle. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/exterior-angle