Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
A triangle that loses its “cute” (with three acute angles) or “right” (with a [right angle]) appearance, when one [acute angle] rebels to become [obtuse], which makes it look unsightly vis-à-vis the two cute-looking acute angles.
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions