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In a trapezium ABCD, seg AB|| seg DC, se...

In a trapezium `ABCD`, seg `AB||` seg `DC`, seg `BD bot` seg `AD`, seg `AC bot` seg `BC`, if `AD=15`, `BC=15` and `AB=25`. Find `A(square ABCD)`.

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The correct Answer is:
A (`square ` ABCD) = 192 ` sq units .
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