There are infinitely many regular pentagons - a different one for each value for the length of its side.
Regular pentagons do not tessellate.
12
regular pentagons have no parrallel lines. irregular pentagons might but it depends. :))
jyf
Not if they are regular 5 sided pentagons
32
Regular pentagons.
Pentagons can be regular or irregular.
Yes providing that they are regular 5 sided pentagons otherwise no if they are irregular pentagons
no
No. But if you restrict yourself to regular pentagons, then all regular pentagons are similar.
Not sure about a bodecahedron, but a dodecahedron has 12.