a heptogon is a seven sided hexogon
A quadrangle is a shape with 4 angles, such as a square, rectangle, or paralellogram. A four sided shape is called a quadrilateral.
A pentagon is a five-sided figure.
A 3 dimensional triangle is called a pyramid, otherwise a 2D three sided polygon shape is exactly what you called it, a triangle.
To look at it, you could never tell it from a circle.
there are lots of seven sided shapes! I can't tell you how it looks like because there are lots!
A six sided shape could look like a Hexagon
it look like a fifty sided shape
A HECTOGON IS A 100 SIDED SHAPE! A HECTOGON IS A 100 SIDED SHAPE!
Pentagon shape
A 16 sided shape could look like anything as long as there are 16 sides and they are connected to one another.
A quadrangle is a 4 sided shape.
a 25 sided shape
an octagon
It can look like a four-sided shape with five sides or a five-sided shape with four sides. The term is self-contradictory and so such a shape cannot exist!
It is a seven-sided polygon
A heptagon