Perimeters and Areas

Just as the words play with the ideas,
the formulas try to explain geometric shapes.

You can sing along with The Bazillions
    some facts about perimeter and area.

"Perimeter Around The Area" by The Bazillions from eg design on Vimeo.



Some curious things
about regular polygons
and their apothema as theme.

Regular Polygons: Area & Perimeter from Jefe Nevinski on Vimeo.


Finally,
you can play with fun
Geometry Illusions