Prove that the tangent drawn at …
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Shweta Gulati 7 years, 2 months ago
Let XY be the tangent at the mid point of the arc A
Let T be the point of contact
Let AB be the chord
Take D as mid point of AB.
Construction join OA ,OB and OT , where O is the centre of the circle .
Proof : ∠OTY=90 degrees
∠ODB=90 degrees
Since the alternate interior angles are equal.
AB is parallel to XY
Hence proved .
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