Classes of Polygons Planar polygons –Simple Convex Star-shaped –Non-simple Non-planar polygons.
Polygons by Ms. Jernigan
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Transcript of Polygons by Ms. Jernigan
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Polygonsby Ms. Jernigan
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Polygons
• The word polygon means “many angles”• A two dimensional object• A closed figure
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More about Polygons
• Made up of three or more straight line segments• There are exactly two
sides that meet at a vertex• The sides do not cross
each other
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Examples of Polygons
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These are not Polygons
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Terms:
Side: One of the line segments that make up a polygon.
Vertex: point where two sides meet.
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Types of Polygons continued
• Regular Polygon: a polygon where all the angles are equal and all of the sides are the same length. They are both equilateral and equiangular
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Examples of Regular Polygons
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TRIangle• A three sided polygon• TRI means 3
Triplets TripodTriangle
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Quadrilateral
• A four sided polygon. A quadrilateral that is a regular polygon is called a square.
• QUAD means 4
Quadruplets
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Pentagon
• A five sided polygon• Pent means 5
Pentagon
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Hexagon
• A six sided polygon• HEX means 6
Hex Bolt
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Heptagon
• A seven sided polygon• Hept means 7
Heptotica Flower
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Octagon
• An eight sided polygon• OCT means 8
Octopus