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In the adjoining figure, BM bot AC and ...

In the adjoining figure, `BM bot AC ` and `DN bot AC. " If " BM = DN`, prove that AC bisects BD.

Text Solution

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Let AC and BD intersect at O.
Now , `triangle OND ~= triangle OMB " " [ because angle OND= angle OMB, angle DON = angle BOM and DN=BN].`
`therefore OD=OB.`
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