Simple polygons are also called Jordan polygons, because the Jordan curve theorem can be used to prove that such a polygon divides the plane into two regions, the region inside it and the region outside it. In other words, a simple polygon is a polygon whose sides do not cross. That is, it consists of finitely many line segments, each line segment endpoint is shared by two segments, and the segments do not otherwise intersect. The next step is to see where the meteorological stations are and the assign each station an area of influence defined as a polygon whose boundary is the 1/2 way point between adjacent stations, old fashioned way of doing polygonised ore reserves so that we end up each station having an area assigned to it.In geometry, a simple polygon is closed polygonal chain of line segments that do not cross each other. You can see here on the radar screen, this pink polygon, that is where that tornado warning is for northwest Alabama and the cell itself really, really weakening here.Īnd this polygon, which is a new way that we indicate severe weather warnings out of the National Weather Service, kind of zooms it in and narrows it down just a little bit. This is the purple polygon, which is a part of the county near Driscoll, which is affected by this. He took the circle to be an infinilateral regular polygon, that is, a regular polygon with an infinite number of (infinitesimally short) sides.Ĭontinuity and Infinitesimals Bell, John L. VERBATIM: The Language Quarterly Vol X No 2 1983 When an English-speaking child is confronted for the first time with the word polygon, he needs an explanation. 03, 2009, under Uncategorized the measure of an exterior angle of a regular polygon is 30 degrees. Measuring Po | SciFi, Fantasy & Horror Collectibles 2009 How many diagonals can be drawn in the po? the measure of an exterior angle of a regular polygon is 30 degrees. Mechanical Drawing Self-Taught Joshua Rose The term polygon is applied to figures having flat sides equidistant from a common centre. Tales and Novels - Volume 04 Maria Edgeworth 1808 His mathematical friends could have told him, that though it was talked of as a polygon, it was not supposed to be a square but _polygon_ would not have rhymed to _stare_ and poets, when they launch into the ocean of words, must have an eye to the helm at all events a poet, who is not supposed to be a student of the exact sciences, may be forgiven for a mathematical blunder. noun a closed plane figure bounded by straight sides.noun geometry Such a figure and its interior, taken as a whole.įrom WordNet 3.0 Copyright 2006 by Princeton University.noun geometry, more generally A figure comprising vertices and (not necessarily straight) edges, alternatingly.noun geometry The boundary of such a figure.noun geometry A plane figure bounded by straight edges.Parallelogram of forces, under Parallelogram.įrom Wiktionary, Creative Commons Attribution/Share-Alike License. noun (Mech.) a polygonal figure, the sides of which, taken successively, represent, in length and direction, several forces acting simultaneously upon one point, so that the side necessary to complete the figure represents the resultant of those forces.noun (Geom.) A plane figure having many angles, and consequently many sides esp., one whose perimeter consists of more than four sides any figure having many angles.Same as proving-ground.įrom the GNU version of the Collaborative International Dictionary of English. noun In ordnance, a place especially arranged for making ballistic tests of guns, projectiles, armor, and powder.noun A train of sects whose last point is identical with the first.noun two sets of n lines, each cutting all the lines of the other set upon one curve of the nth order.noun In geometry, a closed figure formed by the intersections of a number of straight lines, each with two others especially, a plane figure of this sort a figure with numerous angles.noun A closed plane figure bounded by three or more line segments.From The American Heritage® Dictionary of the English Language, 5th Edition.
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