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In trapezium ABCD side AB|| side PQ|| si...

In trapezium ABCD side `AB||` side `PQ||` side `DC, AP=15, PD=12, QC=14`, find BQ.

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Side `AB||` side `PQ||` side DC………..(Given)
`:.` By the proporty of three parallel lines and their transversals,
`(AP)/(PD)=(BQ)/(QC)`
`:.15/12=(BQ)/14`
`:.BQxx12=15xx14`
`:.BQ=(15xx14)/12=210/6`
`:.BQ=35/2`
`:.BQ=17.5`
`BQ=17.5`
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