For a Polygon, "Poly" means "many" or "a number of"; "gon", roughly means "angles". So a poloygon is a figure with a number of angles between its sides.
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If the number of sides is definite then "poly" is replaced by a word meaning that number.
Quadrilateral is the name fr a geometric figure with 4 sides.
a circle
An octagon.
I think a circle
Heptagon - a seven sided two demensional figure
circumscribed
Circumscribing.
The correct name would be a "tetradecagon"
The Pentagon.
Each side is called a face.
The geometric mean can be used in medicine, to determine renal function. Studying the left and right kidneys will allow a doctor to figure out how they are functioning, and the geometric mean will tell the percentage of error of the posterior view is not used.
a geometric figure having a specified kind or number of faces.