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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
A bangle can be used to trace a circle. What are the other things around you that you can use to trace a circle?
Can you draw a circle on the floor with a chalk? Try.
Does a longer rope make a bigger circle? Why is it so?
Now see what your friends have drawn. Discuss the length of the radius they measured. Is it the same as yours?
Have you seen a compass before? How will you use this to make a circle?
- Open your compass.
- Press the tip of the compass on the paper. Hold the compass from the top.
- Without moving the tip, try to move the pencil around.
- Do you get a circle?
Is this circle better than the one you made earlier without a compass?
Draw the radius of this circle and measure it.
Guess how this design has made. Use a compass to make similar one in the box.
Why did Naina get such a drawing? Discuss.
Now everybody was excited to spin their tops which looked like this.
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 |
 |
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| Zakir | Appu | Naina | Guddo |
Whose top will not spin at all?
Now everybody was excited to spin their tops which looked like this.
|
|
|
|
| Zakir | Appu | Naina | Guddo |
Whose top will spin the best?
