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प्रश्न
Now you trace a circle on a paper using a bangle. Cut it. Then find its centre like Sameena did.
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उत्तर
After tracing the circle using a bangle on notebook, cut the circle from its outline. Fold the circle into half.
Fold it again in half. Open the folded circle. The crossing point of the two creased line is its centre.
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संबंधित प्रश्न
You must have seen many such round things around you. List some more in your notebook.
Why do we make a circle in each of these games?
Does a longer rope make a bigger circle? Why is it so?
What was the radius of the smallest circle?
Now see what your friends have drawn. Discuss the length of the radius they measured. Is it the same as yours?
Measure the radius of both circles using a ruler.
Write the length of their radius.
- Radius of the green circle ______
- Radius of the blue circle ______
Are all wheels of a tractor or road roller of the same radius?
Why did Naina get such a drawing? Discuss.
Can you balance a plate on your finger?
Now everybody was excited to spin their tops which looked like this.
 |
 |
 |
 |
| Zakir | Appu | Naina | Guddo |
Whose top will not spin at all?
