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http://k12opened.com/ebooks/math/ebook-geometry-intro/index.html - 1 views

k12opened.com/...index.html
shared by Derek Topola on 30 Jul 14 - No Cached
    • Derek Topola
      Derek Topola on 30 Jul 14
       
      Take note of there being multiple quadrilaterals.
    • Derek Topola
      Derek Topola on 30 Jul 14
       
      After you learn about two-dimensional figures, we will learn about three-dimensional figures.
    • Derek Topola
      Derek Topola on 30 Jul 14
       
      Learn to make a polygon with cut-outs, and construct it.
  • ...1 more annotation...
    • Derek Topola
      Derek Topola on 30 Jul 14
       
      We will also break down the polygons and learn about all their pieces and their parts. 
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Pentagon - 0 views

www.diigo.com/...dkj4 Math Polygons Geometry
shared by Derek Topola on 30 Jul 14 - No Cached
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Introduction to Polygons - 1 views

onemathematicalcat.org/...polygons.htm Math Education Polygons
shared by Derek Topola on 30 Jul 14 - No Cached
  • DEFINITION regular polygon
  • A regular polygon is a polygon whose sides all have the same length, and whose angles are all the same.
  • a regular quadrilateral(a square)
  • ...11 more annotations...
  • a regular triangle
  • a regular pentagon
  • a regular hexagon
  • a regular decagon
  • a regular nonagon
  • a regular heptagon
  • a regular octagon
  • DEFINITIONS rectangle, square
  • A rectangle is a quadrilateral whose angles are all right angles. A square is a rectangle with all sides of equal length.
  • Note: Every square is a rectangle. However, not every rectangle is a square. That is, there exist rectangles that are not squares.
  • each of these is a rectangle, but NOT a square
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