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Find out the length of the boundary of these shapes. (Hint: You can use a thread) - Mathematics

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Question

Find out the length of the boundary of these shapes. (Hint: You can use a thread)

Now count the squares to find out : 

  1. How many squares are there in each shape?
  2. Which shape covers the least number of squares?
  3. Which shape covers the most number of squares?
Answer in Brief
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Solution

  1. The number of complete square in figure - A = 1
    The number of complete square in figure - B = 2
    The number of complete square in figure - C = 3
    The number of complete square in figure - D = 2
  2. Figure A covers the least number of square which is 1.
  3.  The figure C covers the most number of square which is 3.

     
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Fields and Fences
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Chapter 13: Fields and Fences - Exercises [Page 153]

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NCERT Math - Magic [English] Class 4
Chapter 13 Fields and Fences
Exercises | Q 1. | Page 153

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