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In the given diagram AB||CD, then which ...

In the given diagram AB||CD, then which one of the following is true?

A

`(AB)/(CD)=(AO)/(OC)`

B

`(AB)/(CD)=(BO)/(OD)`

C

`triangleAOB`~`triangleCOD`

D

All of these

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The correct Answer is:
D
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