Definition that contains interior angle
- corner an interior angle formed by two meeting walls
- nook an interior angle formed by two meeting walls
- squinch a small arch built across the interior angle of two walls (usually to support a spire)
- reentering angle an interior angle of a polygon that is greater than 180 degrees
- external angle the supplement of an interior angle of a polygon
- reentrant angle an interior angle of a polygon that is greater than 180 degrees
- acute triangle a triangle whose interior angles are all acute
- obtuse triangle a triangle that contains an obtuse interior angle
- salient angle an angle pointing outward; an interior angle of a polygon that is less than 180 degrees
- acute-angled triangle a triangle whose interior angles are all acute