Most mathematicians would call that a "273-gon." If you want to show off, try dohectotriheptacontagon.
An hexagon is polygon that has 6 sides
quadrilateral
An octagon.
To express 273 to one significant figure, you round it to the nearest ten. The first significant figure is 2, and since the digit following it (7) is 5 or greater, you round up. Therefore, 273 to one significant figure is 300.
It is: 300
Quadrilateral is the name fr a geometric figure with 4 sides.
An hexagon is polygon that has 6 sides
thirtyagon
quadrilateral
Decagon
Octagon
dodecagon
An octagon.
a pentadecagon
pentagon a pentagon A pentagon is a Polygon with 5 sides.
This closed figure, with straight sides, is known as a Polygon.
a hendecagon has 11 sides =)