Those Fabulous Hexagons
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Bring A Child To Work Those Fabulous Hexagons Charlie Van Loan 5130 Upson 1:30-2:30 STOP Yes! No! Hexagon Octagon STOP 6 Sides 8 Sides Hexagon Examples How To Make a Nice Hexagon Draw Six Dots How To Make a Nice Hexagon Draw Six Dots and Connect Them Nope! How To Make a Nice Hexagon 1 4 2 5 3 6 Draw Six Dots and Connect With Nope! Six Lines How To Make a Nice Hexagon Draw Six Dots and Connect With Six Lines Yes! That Don’t Cross Hexagonal Shapes in Nature Artistic Useful Can You Make One of These? This Guy Can! Strong and Economical Strong and Economical Strong and Economical The Hex Nut Biggest Hex Nuts On Campus Where? Biggest Hex Nuts On Campus Turning Hex Nuts Adjustable Crescent Wrenches Allen Wrenches and Allen Screws Hexagonal Hole Pent Nuts: Making it Hard Only the Fire Department has the special wrench Making A Perfect Hexagon Examples of Perfect Polygons Dodecagon Hexagon Triangle Decagon Square Pentagon Octagon Important Word A polygon is a shape with straight sides. A 4-gon is a square An 6-gon is a hexagon An 8-gon is an octagon A 1000-gon would look almost like a circle The All-Important Prefix Think of March as the 5: Pentagon 5: July First Month 6: Hexagon 6: August 7: Septagon* 7: September 8: Octagon 8: October 9: Nonagon 9: November 10: Decagon 10: December *Actually the preferred term is “Heptagon” , but that wrecks the analogy! The All-Important Prefix 5: Pentagon 5: Pentember 6: Hexagon 6: Hexember 7: Septagon 7: September 8: Octagon 8: October 9: Nonagon 9: November 10: Decagon 10: December “Star” Polygons “Star” Polygons Polygon Activity: Tiling You Can Tile With Triangles You Can Tile With Squares You Cannot Tile with Pentagons They do not fit together! You Can Tile With Hexagons How many different colors do we need so each tile is different from its neighbors? 7 ! Little Question Big Answer About how many little hex tiles do you need to tile the Earth? (a) 1,000,000 (b) 1,000,000,000 (c) 1.000,000,000,000,000 (d) 1,000,000,000,000,000,000 Tiling with Hexagons and Triangles Tiling with Octagons and Squares An Important Word It is possible to tessellate the plane with hexagons. It is possible to tessellate the plane with squares and octagons Another Polygon Activity: Making Perfect Solids There are only 5 Perfect (Platonic) Solids Dodecahedron 12 faces Each face is a perfect pentagon Archimedean Solids The Most Famous Archimedean Solid ??? Hexagons ??? Pentagons The Most Famous Archimedean Solid 22 Hexagons 12 Pentagons Why I Like Hexagons 1. I like artistic things. Hexagons are nice to look at. 2. I like building things. Hexagons are useful. I like Engineering GreatAnimal Engineers Great Animal Engineers Great Animal Engineers Geometry Is Important How do you fit all this stuff inside? Computers Help Can’t keep track of everything in our heads! Geometry is Important How to you get from A to B? Build Beautiful Things… And Learn to Find Them Why Do I Like Hexagons? The REAL reason is this…. My Favorite Candy Is Hexagonal Recipe for Success They Taste Better This Way Become A True Hexagon Person!.