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प्रश्न
Are all the wheels of a bicycle or a bullock-cart of the same radius?
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उत्तर
Yes, all the wheels of a bicycle or a bullock cart are of the same radius.
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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?
Think of some other games you play by making circles.
Do the activity in small groups. Each group should take a rope of a different length. See the circles made by different groups.
Which group made the smallest circle?
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.
Can a circle have more than one centre?
You also try to balance a plate or a round lid on your finger. Where does it balance?
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 spin a little?
