That's a septagon.
you call a seven sided shape a heptagon.
A seven sided shape is called a heptagon.
A seven sided shape is called a heptagon or a septagon.......
you call it a edge
a septagon
A seven-sided shape is known as a "Heptagon"
Yes.
Seven
The answer is Tetradeecagon.
A hexagon
A nine sided shape is called a nonagon.
That's a Heptagon or a septagon