Answer
$VR = \sqrt{3}$
Work Step by Step
$\frac{VR}{OR} = tan ~60^{\circ}$
$\frac{VR}{OR} = \frac{\sqrt{3}}{1}$
$VR = (OR)~(\frac{\sqrt{3}}{1})$
$VR = (1)~(\frac{\sqrt{3}}{1})$
$VR = \sqrt{3}$
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