MATH-MAGIC Answer the following : (1 mark each)

How many radii are there in a circle ?

Measure of all the diameters of a circle are...

To make the top spin well, where will you make the hole ?

You can  try to balance a plate or a round lid on your finger. Where does it balance ?

Now you trace circle a on a paper using a bangle. Cut it. Then find its centre like Sameena did.

Why did Jagdish get such a drawing ? Discuss.

Guess how this design has been made. Use a compass to make a similar one in the box.

Now you can make your own designs like Daljeet had made. How many did you make ?

Is this circle better than the one you made earlier without a compass ? Draw the radius of this circle and measure it.

Lali and Kali are tied to a pole with ropes. Kali has a longer rope. Who can look for more grass to eat ?

Are all wheels of a tractor or road roller of the same radius ?

Which is the biggest wheel you have ever seen ?

Archana decided to use nails and a thread to make a circle on the ground. She took a thin rope and tied nails on both ends of the rope. Then she made a circle with the help of her friend. Can you also make a circle with a rope and nails like Archana ?

Look at the circles drawn by your friends. Who has drawn the best circle ?

Draw a circle.