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how to draw a Circle

A circle can be drawn simply by tracing the outline of circular objects like a coin,

bangle, cup, etc. To draw a circle with a given radius, we use a pencil, a compass,

and a ruler.

example 1. Draw a circle of radius 3 cm.

Step 1. Place the pointed end of the Step 2. Place the pointed end of the
compass at the 0 mark of the compass on the paper and hold
ruler. Stretch the other arm of the upper end firmly. Rotate the
the compass to the 3 cm mark pencil arm keeping the pointed
on the ruler. arm fixed.

Centre of
the circle

Now, using a compass, make the following design.
Step 1. Step 2. Step 3.

You can also try other designs of your choice.

Relationship between the Radius and diameter of a Circle

The diameter of a circle is two times the radius.

Diameter = 2 × Radius

If we know the length of the radius of a circle, we can find the length of its diameter

and vice versa.

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