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From an external point, if $K$ tangents can be drawn to a circle, then $K$ is equal to:

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0

2

1

infinity

answer is B.

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Detailed Solution

Given an external point.
Let Q be an external point.
Drawing the possible tangents from Q.
Question Image

QR and QS are the tangents.
Exactly two tangents can be drawn from an exterior point to a given circle.
So, if K tangents are drawn to a circle, then K is equal to 2,
Therefore, option (2) is correct.

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