a heptigon
An eighteen-sided shape is called an octakaidecagon, or octadecagon.
Only if 2 sides are parallel with each other, and the other two sides are also parallel with each other. All squares are rectangles. All rectangles are parallelograms. All parallelograms are 4 sided. But not all 4-sided are parallelograms, not all parallelograms are rectangles, and not all rectangles are squares.
The names of polygons with 40 sides - Tetracontagon.
A Polygon with 26 sides is called a Icosikaihexagon.
A polygon is an unequal six sided shape. A polygon or hexagon is the name used weather the sides are even or not.
A 20-sided shape is called a dodecahedron.
An eighteen-sided shape is called an octakaidecagon, or octadecagon.
Nonagon.
Only if 2 sides are parallel with each other, and the other two sides are also parallel with each other. All squares are rectangles. All rectangles are parallelograms. All parallelograms are 4 sided. But not all 4-sided are parallelograms, not all parallelograms are rectangles, and not all rectangles are squares.
The names of polygons with 40 sides - Tetracontagon.
A Polygon with 26 sides is called a Icosikaihexagon.
A Pentagon. A five sided figure is a pentagon
A five-sided geometric shape is a pentagon.
A 1000 sided polygon is called a chiliagon.
It is a square or a rhombus
It can be a quadrilateral, though quadrilaterals are 4-sided shapes in general.
A polygon is an unequal six sided shape. A polygon or hexagon is the name used weather the sides are even or not.