A shape with nine sides is called a nonagon.
a icosakainonagon
Parallelograms and squares.
A regular polygon
A seven sided shape (with seven angles) is called a heptagon.
A shape with nine sides is called a nonagon.
Square.
a icosakainonagon
hectagon
A hexagon has six sides. It also has six corners. It looks like this:
That's a trapezoid.
It is a quadrilateral because it has 4 sides
Parallelograms and squares.
A regular polygon
A decagon. A two-dimensional shape (plane figure, or polygon) which has ten sides is a decagon. A three-dimensional shape (polyhedron) which has ten sides (plane faces) is a decahedron.
It's like an oblong with weird sides.....It kind of has sides. most of them has
rectangular pyramid, square-based pyramid, trapezoidal pyramid any pyramid whose base is a shape with only four sides