3
any shape that is closed and has no round sides, triangles, squares, pentagons, hexagons, heptagons, octagons, nonagons...
Anything without four sides, since a quadrilateral is a polygon with all four sides. An example of a shape not a quadrilateral would be a triangle.
A shape that has all sides connected. Examples are squares, circles, ovals, octagons, etc.
There are pentagons, hexagons, heptagons, octagons, et cetera.
There are regular octagons, and irregular octagons.
8 octagons
Octagons?
Octagons
You can find the perimeter of any geometric shape knowing the length of one side if all sides are equal. For example: squares, hexagons, octagons and so on...
A shape is an object with a specific number of sides. Some examples of shapes include circles, squares, triangles, pentagons, and hexagons.
Assuming regular octagons, squares.
The 3D shape with 2 octagons and 8 squares is called a truncated square antiprism. It is a type of prism where the top and bottom faces are octagons, and the side faces are squares. This shape has a total of 10 faces, including 2 octagons and 8 squares.