True and False Statements If angle between two tangents drawn from a point \( \mathrm{Q} \) to a...

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True and False Statements
If angle between two tangents drawn from a point \( \mathrm{Q} \) to a circle of radius \( \mathrm{r} \) and centre \( \mathrm{O} \) is \( 90^{\circ} \), then \( \mathrm{OQ} \) \( =\sqrt{2} \mathrm{r} \).
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