prove that only two equal tangents can be drawn on a circle from a point given outside the circle
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prove that only two tangents can be drawn from an external point of a circle. Now, taking A as centre and AB as radius, we can draw a circle (A,AB). ... Then, these tangents must be equal to each other these all tangents will intersect the circle (A,AB) on 3 points B,C and E respectively. Now, as 3 tangents are equal.
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