Crows have a sense of geometric intuition much like our own, a new study reveals. They can detect the 'odd one out' in a set ...

A quadrilateral is a four-sided shape ... As we know this is a kite, we then know from the properties of a kite that the angle opposite \(87^\circ\) is also \(87^\circ\).

The simplest polygon is a triangle (a three-sided shape). Polygons of all types can be regular or irregular. A regular polygon has sides of equal length, and all its interior angles are of equal size.