Squares and pentagons.
A pentagon.
Organic shapes don't have names. They are random shapes that you make up.
The triangle and rhombus pattern block shapes can be combined to make up a trapezoid.
SQUARES
triangles
There need not be any. The Brazuca, the official ball for the 2014 World Cup in Brazil was made from six rounded cross-shapes.
They are closed plane shapes which are bounded by five straight lines.
Well, the best soccerball in 2010 is, drumroll....... Jabulani!!!!
sqare
Two trapezoids can make up a hexagon.
There are technically many shapes that could be put into the form of a triangle, but only triangles can make real triangles (without getting into more complicated shapes).
octogons