An octagon.
Chat with our AI personalities
An octagon.
A pyramid with a base that has seven sides.
Well if you have an 8 sided figure there is obviously 8 sides.
An eight-sided plane figure is an octagon. If the sides are all the same length, and the angles are all equal, it is a regular octagon.
It is an 8 sided octagon whose 8 interior angle add up to 1080 degrees and has 20 diagonals