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Mathematics 10 Online
OpenStudy (mathmath333):

Geometry question

OpenStudy (mathmath333):

|dw:1430832452797:dw|

OpenStudy (mathmath333):

\(BC\) and \(CD\) are tangents. \(O\) is the centre . radius is \(10\). Find length of \(AB\)

OpenStudy (rational):

Easy : \[AB = 10+10\sqrt{2}\]

OpenStudy (mathmath333):

how do u get that

OpenStudy (rational):

|dw:1430832877510:dw|

OpenStudy (rational):

\(OC = 10\sqrt{2}\) : |dw:1430832947269:dw|

OpenStudy (rational):

\(\triangle ABC\sim\triangle OED \) : |dw:1430833024217:dw|

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