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Triangle and its properties

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Triangle and its properties

  1. 1. By Azam Khan7-B
  2. 2. The sum of the angles in a triangle isalways equal to 180.This property iscalled the angle sum property of atriangle.
  3. 3. Exterior angle is equal to thesum of the opposite interiorangles.
  4. 4. The sum of any two sidesis always bigger than thethird side.
  5. 5. 2147+21=68>4221+42=63>4747+42=89>21
  6. 6. In a right angled triangle, thesquare of the longest side isequal to the sum of the squaresof the other two sides.

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