In our mind’s eye, the universe seems to go on forever. But using geometry we can explore a variety of three-dimensional shapes that offer alternatives to “ordinary” infinite space. When you gaze out ...

In a South American jungle, far from traffic circles, city squares and the Pentagon, beats the heart of geometry. Villagers belonging to an Amazonian group called the Mundurucú intuitively grasp ...

Revise the different types of angles and rules for calculating angles. This guide includes interactive activities and a quiz. NEW: Angles in parallel lines Revise alternate, correspondent or ...

Physicists have succeeded in measuring geometric properties of energy bands in light crystals. Physicists have succeeded in measuring geometric properties of energy bands in light crystals.

The sum of the angles inside any polygon can be found by spitting the polygon into triangles. Sum of interior angles = 180(n – 2) where n is the number of sides In a regular polygon all the angles are ...