triangle 3 quadrangle 4 pentagon 5 hexagon 6 heptagon 7 octagon 8 nonagon 9decagon 10 hendecagon 11dodecagon12 tridecagon13 tetradecagon14 pentadecagon 15hexadecagon 16 heptadecagon 17 octadecagon 18 enneadecagon 19 icosagon20
they came from how many sides are on the polygon
a polygon
Quadrilateral, parallelogram, polygon.
What polygon? Your asking "what are two names to describe a polygon" but haven't given a polygon...
I only know one which is a polygon:)
A square, a rectangle, a parallelogram.
polygon, trapezium, quadrilateral are three other names
polygon & quadrilateral * * * * * That is not really true. A trapezoid is a particular type of quadrilateral and that, in turn, is a particular type of polygon. That does not make them alternative names for a trapezoid.
Polygon, Quadrilateral, parallelogram, rhombus, trapezoid, square.
square because it has 4 sides
-- quadrilateral -- parallelogram
a polygon