Quiz: Remember the definition of mal de mer?

interior angle

noun, Geometry
an angle formed between parallel lines by a third line that intersects them.
an angle formed within a polygon by two adjacent sides.
1750-60 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for interior angle
  • The exterior angle and the corresponding interior angle form a linear pair.
  • The measure of an interior angle of a regular n-sided polygon is.
  • Find the measure of each interior angle of a regular hexagon.
British Dictionary definitions for interior angle

interior angle

an angle of a polygon contained between two adjacent sides
any of the four angles made by a transversal that lie inside the region between the two intersected lines
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
interior angle in Science
interior angle

  1. Any of the four angles formed inside two straight lines when these lines are intersected by a third straight line.

  2. An angle formed by two adjacent sides of a polygon and included within the polygon. Compare exterior angle.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for interior angle

Few English speakers likely know this word

Word Value for interior

Scrabble Words With Friends