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Shapes , space , and patterns

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Transcript

  • 1. SHAPES , SPACE AND PATTERNS Created by ABHA ARORA
  • 2. Shapes
  • 3. A CUBOID HAS 8 CORNERS, 12 EDGES 6 FACES
  • 4. LINES
    • LINES CAN BE :
    • STRAIGHT OR
    • CURVED
  • 5. 3 TYPES OF STRAIGHT LINES ARE:
    • VERTICAL
    • HORIZONTAL
    • SLANTING
  • 6. VERTICAL
  • 7. HORIZONTAL
  • 8. SLANTING
  • 9. LINES CAN ALSO BE CURVED
  • 10. A PICTURE IS MADE USING BOTH TYPES OF LINES
  • 11. CLOSED SHAPE
    • A CLOSED SHAPE THAT DOES NOT CROSS ITSELF IS A SIMPLE CLOSED CURVE.
  • 12. EXAMPLE
  • 13. MORE EXAMPLES
  • 14. SOME CLOSED SHAPES ARE FORMED ONLY WITH STRAIGHT LINES.
    • THESE ARE CALLED POLYGONS
  • 15. EXAMPLES
  • 16.  
  • 17.  
  • 18.  
  • 19. EXERCISE
    • Put a tick mark on the simple closed curves
  • 20.  
  • 21.  
  • 22. Polygon or not
  • 23.  
  • 24.  
  • 25.  
  • 26. TYPES OF POLYGONS
    • A POLYGON IS NAMED ACCORDING TO THE NUMBER OF SIDES IT HAS.
  • 27. EXAMPLE
    • A POLYGON WITH 3 LINE SEGMENTS IS CALLED A TRIANGLE.
  • 28.
    • A POLYGON WITH 4 LINE SEGMENTS IS CALLED A QUADRILATERAL.
  • 29. A RECTANGLE IS A SPECIAL QUADRILATERAL IN WHICH OPPOSITESIDES ARE OF EQUAL LENGTH
  • 30. A SQUARE IS A SPECIAL RECTANGLE IN WHICH ALL 4 SIDES ARE EQUAL.
  • 31. SAY WHETHER TRUE OR FALSE:
    • A) all squares are quadrilateral.
    • B) a triangle is a polygon.
    • C) a polygon is made up of line segments.
    • D) all quadrilaterals are rectangles.
  • 32.
    • THE END