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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 :
- How many squares are there in each shape?
- Which shape covers the least number of squares?
- Which shape covers the most number of squares?
Answer in Brief
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Solution
- 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 - Figure A covers the least number of square which is 1.
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The figure C covers the most number of square which is 3.
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