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A parallelogram has sides 30m and 14m...

A parallelogram has sides 30m and 14m and one of its diagonals is 40 m long. Then, its area is `168\ m^2` (b) `336\ m^2` (c) `372\ m^2` (d) `480\ m^2`

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RS AGGARWAL-AREA-All Questions
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