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Q.

The number of parallel tangents a circle can have at the most is,


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a

1

b

2

c

5

d

3 

answer is B.

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Detailed Solution

We need to find the number of  parallel tangents that a circle can have.
A circle has infinite points, therefore there will be infinite tangents that can be drawn on these points that can touch at only one point.
Here the common point of the tangent and the circle is called the point of contact.
Through the point of contact, at any point of a circle, the tangent is perpendicular to the radius.
Thus, a circle at most, can have two parallel tangents.
Therefore the correct option is 2.
 
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