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Question

The number of tangents that can be drawn from an external point to a circle is

(a) 1 (b) 2 (c) 3 (d) 4

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Solution

A line drawn perpendicular to atangent through the point of contact with a circle passes through the center of the circle. Two tangents can always be drawn to a circle from any point outside the circle, and these tangents are equal in length.


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