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Tangent, Thm, If d is, tangent, pt. P to the o, d then Op (radius), perpendicular the the, 1., to, ie. OP Ler, tyt I, tgt., 3., Converse of tangent Th", If OA is radius, of a circle.d, line m Ao, then, line m, must be a, Remarks, A circde can have infinite number of, tangents., • One & only, at a'giveh pt on circde, tangent can be drawn, No, o one, one tat., interior pt. of the @., can be drawn, at, any, can be drawD from exterior, pt. of the o