Advertisements
Advertisements
Question
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?
Advertisements
Solution
The length of boundary of Ganpat’s field
= 9 m + 15 m + 15 m + 9 m+18 m
= 66 m
APPEARS IN
RELATED QUESTIONS
How much more wire will Ganpat need for his field?
Here are pictures of some more fields. Find out which one has the longest boundary?

Boundary = ______ metre
Boundary = ______ metre
Boundary = ______ metre
Boundary = ______ metre
Chandu’s father is called the ‘young old man’ in his village. At 70 years of age, he is fully fit. Do you know his secret? He goes for a walk around the field every morning. Everyday he takes four rounds of Chandu’s field.
What is the total distance he covers?
4 × ______ = ______ m = ______ km
Ganpat’s wife works in a tailor’s shop. She has to fix lace around a table cloth.
She bought a 100 metre roll of lace.
Look at the picture of the table cloth and tell how much lace is used for one table cloth.

How much lace will be left in the roll?
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?
![]() |
![]() |
![]() |
![]() |
| Square | New shape |
Usha and Valsamma are running a race. Usha is running on the inner circle. Valsamma is running on the outer circle.
- Valsamma runs faster than Usha. But still she loses the race. Can you guess why?
- Have you seen any race where runners start from different places – like in this picture? Guess why?
How will Neetu find out if the two gardens are equally big?
- How many small squares of size 1 cm are there in this big green square?

- Can you think of a faster way to know the total number of small squares without counting each.
- Guess how many squares of one centimeter can fill this blue rectangle.

Write your guess here. - Check your guess by filling it with small squares.




