Pentagon
A plane shape with these characteristics is a "hexagon".
Not sure about a five sided shap, but a five sided plane shape is called a pentagon.
There is no specific name for "12 or more" sides. A 12 sided plane figure is a dodecagon. More generally, a plane figure bounded by 3 or more sides is a polygon.
pentagon
A five sided shape is called a pentagon.
A shape with five sides is pentagonal.
The general name for a plane shape with four sides is a quadrilateral.
A pentagon has five sides.
Pentagon
A plane shape with these characteristics is a "hexagon".
five sides, 10 letters= pentagonal
Hexagon Are the sides lines or planes? If the sides are lines (the shape is all in one plane) then the shape is hexagon. If the six sides are themselves planes, then the shape is a hexahedron.
Not sure about a five sided shap, but a five sided plane shape is called a pentagon.
pentagon
There is no specific name for "12 or more" sides. A 12 sided plane figure is a dodecagon. More generally, a plane figure bounded by 3 or more sides is a polygon.
A plane figure with 16 sides is a hexadecagon.