The area of a trapezium is 1586\ c m^2 a...

The area of a trapezium is `1586\ c m^2` and the distance between the parallel sides is 26 cm. If one of the parallel sides is 38cm, find the other.

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Verified by Experts

let one of the unknown parallel side` =xcm`
area of trapezium`=1/2xx`(add of bases)`xxheight`
according to question
`1586cm^2=1/2xx(38+x)xx26`
`x=84cm`
so unknown side `=84cm`

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