pentagons

Love triangles are easier to write than love pentagons.

Superhero Nation: how to write superhero novels and comic books » Trollitrade’s Review Forum 2009

And it had a cartoon of goofy dancing octagons or pentagons or something-gons.

Times Squared Julia DeVillers 2011

And it had a cartoon of goofy dancing octagons or pentagons or something-gons.

Times Squared Julia DeVillers 2011

Similarly, three pentagons together give a solid angle, which becomes the dodecahedron G.

HERE’S LOOKING AT EUCLID Alex Bellos 2010

In the thirteenth and final book of The Elements, Euclid proved why there are only five Platonic solids by working out all the solid objects that can be made from regular polygons, starting with the equilateral triangle, and then moving on to squares, pentagons, hexagons and so on.

HERE’S LOOKING AT EUCLID Alex Bellos 2010

A pentagon on the hypotenuse is equal to the sum of pentagons on the other two sides, and this holds for hexagons, octagons and, indeed, any regular or irregular shape.

HERE’S LOOKING AT EUCLID Alex Bellos 2010

In the thirteenth and final book of The Elements, Euclid proved why there are only five Platonic solids by working out all the solid objects that can be made from regular polygons, starting with the equilateral triangle, and then moving on to squares, pentagons, hexagons and so on.

HERE’S LOOKING AT EUCLID Alex Bellos 2010

A pentagon on the hypotenuse is equal to the sum of pentagons on the other two sides, and this holds for hexagons, octagons and, indeed, any regular or irregular shape.

HERE’S LOOKING AT EUCLID Alex Bellos 2010

Similarly, three pentagons together give a solid angle, which becomes the dodecahedron G.

HERE’S LOOKING AT EUCLID Alex Bellos 2010

A pentagon on the hypotenuse is equal to the sum of pentagons on the other two sides, and this holds for hexagons, octagons and, indeed, any regular or irregular shape.

HERE’S LOOKING AT EUCLID Alex Bellos 2010