the length of the tangent drawn from an external point to a circle are equal prove
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A circle with centre O; PA and PB are two tangents to the circle drawn from an external point P.
To prove: PA = PB
Join OA, OB, and OP.
◕we know that ◕
A tangent at any point of a circle is perpendicular to the radius through the point of contact.
(Corresponding parts of congruent triangles are equal)
☞Thus, it is proved that the lengths of the two tangents drawn from an external point to a circle are equal.
☞The length of tangents drawn from any external point are equal
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