Wiktionary
n. (interior angle English)
Usage examples of "interior angles".
Or they say, The sum of the interior angles of a triangle is two right angles.
Richard immediately went to one of the interior angles of the shed, sat down on the floor with his back to the wall, and closed his eyes.
They suppose that Euclidian Geometry is in conformity with Nature because the actual measurements of the interior angles of a triangle tell us that their sum is in fact equal to two right angles, just as Euclid tells us that theoretical considerations declare to be the case.
From the shore, the interior angles drew my attention to a massive statue of a man.
Hence he made a point of having all the angles of his machine framework nicely rounded off on their exterior, and carefully hollowed in their interior angles.