CBSE Class 7CBSE
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Using Algebraic Expressions – Formulas and Rules

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description

  • Perimeter formulas-perimeter of the equilateral triangle = 3l,
  • perimeter of a square = 4l,
  • Perimeter of a regular pentagon = 5l,
  • Area formulas,
  • Rules for number patterns,
  • Some more number patterns,
  • Pattern in geometry

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