A shape with four sides is called a quadrilateral.
A shape with 12 sides is called a dodecagon.
The answer to the question 'What is a shape with six sides called' would be a hexagon.
A shape's sides are called faces.
tricontagon
Yes there is It is called -- tricontagon
A shape with 30 sides may be called a triacontagon. But unless you want to be pretentious or obfuscate or to irritate your audience, I suggest you call it a 30-gon or 30-sided polygon.
A shape with four sides is called a quadrilateral.
A shape with 12 sides is called a dodecagon.
A shape w/ 11 sides is called a hendecagon.
The answer to the question 'What is a shape with six sides called' would be a hexagon.
A shape with ten sides is called a decagon
A shape's sides are called faces.
Tricontagon
tricontagon
A shape with three sides is called a triangle.
A shape with nine sides is called a nonagon.