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if a smaller square of side 3 cm is cut out from a bigger square of side 9 cm to form a new shape ,What is the perimeter of the new shape formed?

User Derzu
by
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1 Answer

7 votes

Need to find:

  • Perimeter of new square formed?


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Solution:

  • Side of smaller square = 3cm.
  • Side of Bigger square = 9cm


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Using formula:

  • Perimeter of square = 4 × side


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Perimeter of smaller square:

4 × 3

12 cm


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Perimeter of Bigger square:

4 × 9

36cm


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Perimeter of new square = Perimeter of Bigger square - Perimeter of smaller square

36 - 12

24 cm


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Perimeter of new square formed is 24 cm.

User Hslugs
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