Question

Fill in the blank:
The common point of a tangent to a circle and the circle is called ..............
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Answer 1

point of tengency.

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Answer 2

Before knowing the answer we should know that what actually tangent is

Tangent : Tangent is the line that intersects the Circle at exactly one point.

Now what is a circle....?

Circle : It is the locus of all points that is equidistant from the circle.

So coming to your question...

The common point of a tangent to a circle and the circle is called point of contact.