hfcm id=”7″hfcm id=”8″ How many pentagons are in a Dodecahedron? The Dodecahedron is formed of 12 faces of regular pentagons. It is made up from 20 vertices, 30 edges and the 12 faces. It is termed regular because each face is a regular polygon, in this instance that polygon being the pentagon. In 3 dimensions […]

## Rotational Symmetry of a Pentagon: Rotational Symmetry in Nature

hfcm id=”5″hfcm id=”6″ What is Rotational Symmetry? A Rotation is a transformation of a shape around a central point. Rotational Symmetry is when the rotated shape looks the same as in the original position. In the diagram here, the point of rotation is where the lines meet at the centre. The shape that’s rotated is […]

## Dodecahedron in nature – pomegranate seeds

Pomegranate seeds. Dodecahedron in nature. Real treasure. The humble pomegranate. But it’s not really that humble. We’re back shape hunting for geometry in food, Let’s look a bit closer at the pomegranate. We are looking for the dodecahedron in nature. A pomegranate is mostly seeds, packed tightly under the skin. All surrounded in a juicy bag of […]

## Geometry in Food

Veg chopping can be so dull , don’t you think? This might brighten it up a bit. This is part of the Shape Hunting series. This can just be done while you are preparing dinner. It doesn’t have to be a lesson as such. If you want to make it into a lesson on kids […]

## shape hunting

We’re going on a shape hunt! Once you start its easy to see the natural shapes that occur all around us. This is a beginners exercise to see how many you can find We started by familiarizing ourselves with some shapes by painting onto stones so we knew what we were looking for. Then we […]