from an external point P

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In Fig. 9.15, from an external point P, a tangent PT and a line segment PAB is drawn to a circle with centre O. ON is perpendicular on the chord AB. Prove that :
05
Jul
In Fig. 9.15, from an external point P, a tangent PT and a line segment PAB is drawn to a circle with centre O. ON is perpendicular on the chord AB. Prove that : a tangent PT and a line segment PAB is drawn to a circle with centre O. ON is perpendicular on the [...]
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