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Symmetry Presentation By Sharanya
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Symmetry Presentation By Sharanya

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Transcript

  • 1. Symmetry Line symmetry & Rotational symmetry
  • 2. What is Symmetry? Symmetry is when an object has two or more equal sides when split in half or in smaller pieces. The tiger has 1 line of symmetry .
  • 3. What is line Symmetry ? A shape has line symmetry when one half of it is the mirror image of the other half.
  • 4. This butterfly has 1line of symmetry This image has 2 lines of symmetry
  • 5. Symmetry with alphabets
  • 6. Circle has infinite lines of symmetry Square has 4 lines of symmetry Rectangle has 2 lines of Symmetry
  • 7. This smiley face has 1 line of symmetry
  • 8. This symbol has 3 lines of symmetry This flag has 4 lines of symmetry
  • 9. What is Rotational symmetry ? An image has Rotational Symmetry if there is a centre point around which the object is turned a certain number of degrees and the object still looks the same, ie it matches itself a number of times while it is being rotated Since this triangle will match itself 3 times as it is rotated it is said to have rotational symmetry of Order 3.
  • 10. Since all the toppings are  placed so evenly, this pizza has rotational symmetry of Order 6. This flower has rotational symmetry of Order 5 since it matches itself 5 times..
  • 11. This Swastika has rotational symmetry of order 4
  • 12. Some examples of rotational symmetry Rotational order 5 Rotational order 2 Rotational order 4
  • 13. Done by Sharanya