In Fig. 8.28 from an external point P, two tangents PT and PS are drawn to a circle with centre O and radius r.If OP=2r,show that ∠OTS=∠OST=30degree.

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answered Feb 4, 2018 by Vikash Kumar (144,729 points)

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In Fig. 8.28 from an external point P, two tangents PT and PS are drawn to a circle with centre O and radius r.If OP=2r,show that ∠OTS=∠OST=30degree.

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