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two tangents RQ and RP are drawn from an...

two tangents RQ and RP are drawn from an external point R to the circle with centre O. If `/_PRQ =120^@` , then prove that OR= PR+ RQ

Text Solution

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`In/_\ORQ`
`tan65=r/(QR)`
`sqrt3=r/(QR)`
`QR=r/sqrt3`
`In/_\OPR`
`tan60=(OP)/(PR)`
`sqrt3=r/(RP)`
`RP=r/sqrt3`
...
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