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2-Dimensional Shapes (2D Shapes)

2-Dimensional Shapes (2D Shapes). 2 D shapes only have two dimensions, such as width and length Some are: Polygons and Some are: Not Polygons. Polygons. Polygons are flat and contain straight sides that are connected. Examples of Polygons . Include……. Triangles. Have 3 sides.

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2-Dimensional Shapes (2D Shapes)

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  1. 2-Dimensional Shapes (2D Shapes) 2 D shapes only have two dimensions, such as width and length Some are: Polygons and Some are: Not Polygons

  2. Polygons • Polygons are flat and contain straight sides that are connected.

  3. Examples of Polygons • Include……..

  4. Triangles • Have 3 sides

  5. Quadrilaterals Diamonds also known as a rhombus • Have 4 sides squares rectangles

  6. Pentagons • Have 5 sides

  7. Hexagons • Have 6 sides

  8. Heptagons • Have 7 sides

  9. Octagons • Have 8 sides STOP

  10. Nonagons • Have 9 sides

  11. Decagons Have 10 sides

  12. Undecagons Have 11 sides

  13. Not Polygons Hearts Ovals Circles Non closed shapes

  14. What is a 2D shape that has straight sides that are connected? polygon

  15. What is a quadrilateral? • A 4-sided polygon. • Examples include: squares, rectangles, diamonds, etc.

  16. What is a 3 sided polygon? • A triangle

  17. What is a 5 sides polygon? • A pentagon

  18. What is a 6 sided polygon? • A hexagon

  19. What is an 8 sided polygon? • An octagon

  20. Now you should know a little more about 2 D shapes!

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