Not always
An heptagon is a 7 sided pentagon. It can be irregular or regular.
An irregular 7 sided heptagon normally has no lines of symmetry depending how it is constructed.
heptagon.
An irregular heptagon.
Not always
A heptagon is a regular or an irregular 7 sided polygon
An heptagon is a 7 sided pentagon. It can be irregular or regular.
mabe because irregular heptagon looks different all the time
An irregular 7 sided heptagon normally has no lines of symmetry depending how it is constructed.
7 be it regular or irregular
A regular heptagon doesn't have right angles, but an irregular heptagon can have 5 right angles.
It can have none or one.
heptagon.
A heptagon has seven sides. In a regular heptagon all of the sides and angles are equal. In an irregular heptagon the sides and angles are not all equal.
Not normally unless it's an irregular heptagon which can be constructed to have parallel sides
An irregular heptagon.