Question

prove that the length of the tangents drawn from an external point of a circle is equal

Answer 1

let an and ab are tangent s
o is center of circle
in triangle ano and abo
ao=ao(common)
no=bo(radii)
angle anoequal to about(90degree)
so triangle ano equal to about
an =an(c.p.c.t)

Answer 2

See the attachment below

Hope it helps

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