a polygon?
An eight sided figure is called an octagon.
That's called a closed figure.That's called a closed figure.That's called a closed figure.That's called a closed figure.
An 11 sided figure is called a hendecagon, an undecagon, or a 11-gon.
A six sided figure is called a hexagon, as "hex" means "six."
A five sided figure is a pentagon.
A geometrical construction
A six sided geometrical figure is called a hexagon.
Case No. 1 :-General geometrical closed figureAns. :- PERIMETERCase No. 2 :-Circular geometrical closed figureAns. :- CIRCUMFERENCE
Parabola
A pentagon is a five sided geometrical figure; if the pentagon fits exactly inside some other geometrical figure (such as a circle) then it can be said to be inscribed in that figure.
A pentagon
Number
A point.
A geometrical construction can be made with with a straight edge and a compass.
A geometrical figure that has three angles is a triangle
A decagon - if the sides are all equal, and the angles are all equal, it is a regular decagon.