Altogether ther are: 6+(3*4)+(5*3)+(5*4)+(3*4) = 65 sides
i think 5
7
9
28
A pentagon has 5 sides. If you have 4 pentagons, you use: 4x5=20. Therefore, 4 seperate pentagons have 20 sides. This is not true if you have them combined however.
1 rhombus 4-5 triangles
A pentagon has 5 sides
5 sides
5 sides
5 sides
A pentagon has 5 sides and 5 vertices! I know that because I've already learned that in school.