Polygons can be regular or irregular. If the angles are all equal and all the sides are equal length it is a regular polygon. To find the sum of interior angles in a polygon divide the polygon ...

A line which cuts an angle into two equal side angles is called an angle bisector. In geometry a construction is an accurate drawing. There are two main constructions which can be done using a ...

Crows can recognize geometric patterns, suggesting that humans aren't unique in understanding shape structure.

Crows in a lab were able to distinguish shapes that exhibited right angles, parallel lines, and symmetry, suggesting that ...