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प्रश्न
Ganpat thanked Rahmat and started fencing his own field. But he needed to get more wire.

How long is the boundary of Ganpat’s field?
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उत्तर
The length of boundary of Ganpat’s field
= 9 m + 15 m + 15 m + 9 m+18 m
= 66 m
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संबंधित प्रश्न
Rahmat needs to find the length of the boundary of the field.

Can you find it from this picture? See the length of each side written near it.
How much lace will be used in 3 such table cloths?
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?
- How many different shapes can you make by joining two squares? Draw them on the squared sheet given below. How long is the boundary of each shape?

- Try this activity with three squares also.
A square has a boundary of 12 cm.
- From the corner of this square, a small square of side 1 cm is cut off. Will the boundary of B be less or more? Find its length.
- If you cut a 1 cm square to get shape C, what will be the length of the boundary of C?
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| Square | New shape |
- Find the length of the boundary of square D.
- 8 squares of side 1 cm are cut out of the square D. Now it looks like shape E. What is the length of the boundary of shape E?


- The boundary of this
is ______ + ______ + ______ + ______
Can we also say that the boundary is 4 × 1 cm?
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Give different colours to each one’s share.





