Take a point O in your notebook and draw circles of radii 4 cm, 5.3 cm, and 6.2 cm from point O, then what is point O called?

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The centre of the circles

The radius of the circles

The diameter of the circles

None of these

answer is A.

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Detailed Solution

A circle is a closed set if all the points within the plane are equidistant from a given point called a centre.
For solving these types of questions, we have to use the geometric box.
First, take the compass, and then taking point O, draw three circles of radii 4 cm, 5.3 cm, and 6.2 cm.
Question Image

This is the required diagram as asked in the question.
Here, we can clearly see that point O is the centre of all three circles.
Therefore, if we draw a circle taking a point O of radii 4 cm, 5.3 cm, and 6.2 cm then point O is called the centre of circles.
So, option (1) is correct.

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