The US "Pentagon" building is an example of their use.
They do not necessarily have pentagons. See for example, the brazuca, the official football design for the 2014 World Cup.
12
Pentagonaphobia which isn't a real word or mildly schizophrenic.
Yes providing that they are regular 5 sided pentagons otherwise no if they are irregular pentagons
no - parallelograms have four sides; pentagons have five.
There is no standard. The 2014 World Cup in Rio, for example, used the Adidas Brazuca which has no pentagons nor hexagons.
They do not necessarily have pentagons. See for example, the brazuca, the official football design for the 2014 World Cup.
12
Pentagonaphobia which isn't a real word or mildly schizophrenic.
well you have to get in bed ND THEY COME IN REAL LIFE HAYHAYHAY
5 rectangles and two pentagons
No, pentagons to not have right angles.
Yes providing that they are regular 5 sided pentagons otherwise no if they are irregular pentagons
Not sure about a bodecahedron, but a dodecahedron has 12.
The black pentagons are deoxyribose sugars.
Not if they are regular 5 sided pentagons
The Pentagon