A shape with 5 sides is called a pentagon.
A shape with 12 sides is called a dodecagon.
A shape with four sides is called a quadrilateral.
A shape with ten sides is called a decagon
The answer to the question 'What is a shape with six sides called' would be a hexagon.
A shape w/ 11 sides is called a hendecagon.
A shape's sides are called faces.
A shape with nine sides is called a nonagon.
a shape with eleven sides is called a undecagon
A shape with twelve sides is called a dodecagon.
A shape with three sides is called a triangle.
A shape with 3 sides is called a triangle. A triangle is a polygon and polygons have 3 or more sides.