Asked by khushal305 | 3rd Oct, 2009, 08:38: PM

Expert Answer:

PT is a tangent drawn at a point where the two circles tough internally.

Now for the samller circle

TP = TQ         (Tangents from an external point are equal) ........(1)

Similarly for the larger circle

TP = TR          (Tangents from an external point are equal)  .........(2)

Using (1) and (2)


Answered by  | 6th Oct, 2009, 02:44: PM

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