A 20-sided flat figure (polygon) is called an icosagon. If it is a solid figure--three-dimensional--it is an icosahedron.
A four sided figure is called a quadrilateral.
A 12-sided figure is called a dodecagon.
A seven sided figure is called a heptagon.
A six sided figure is called a hexagon.
A 20-sided flat figure (polygon) is called an icosagon. If it is a solid figure--three-dimensional--it is an icosahedron.
Icosagon is a 20 sided figure.
An eight sided figure is called an octagon.
A 3-sided figure is called a triangle.
A four sided figure is called a quadrilateral.
A 12-sided figure is called a dodecagon.
A seven sided figure is called a heptagon.
A six-sided plane figure is called a hexagon.
A six-sided plane figure is called a hexagon.
A six sided figure is called a hexagon.
A six sided figure is called a hexagon.
Yes, an eight-sided figure is called an octagon.