A heptagon.
Heptagon.
A septagon or a heptagon
Triangular based Pyramid
7 Sides on a Twenty Pence Piece
Polygons are 2D plane figures. All polygons with 7 sides would be classified as heptagons.
Any regular polygon with 5, 7 or more sides.
The names of shapes based on the number of sides up to 10 are as follows: Triangle (3 sides) Quadrilateral (4 sides) Pentagon (5 sides) Hexagon (6 sides) Heptagon (7 sides) Octagon (8 sides) Nonagon (9 sides) Decagon (10 sides)
They are the boundaries of the shapes.
Shapes that have four sides are known as quadrilaterals.
Shapes with straight sides are called polygons
multiple sided shapes are called polygons, one with 7 sides is called an heptagon one with 8 sides is called an octagon
All shapes have sides. Including a circle which has one curved side.