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In the figure given above, ABCD is a qua...


In the figure given above, ABCD is a quadrilateral and BPDQ is parallelogram. AR = 50 cm, CQ = 70 cm, BR = 60, and PR = 40 cm. If the area of the quadrilateral ABCD is `15,600cm^(2)`, then find the area of then find the area of the parallelogram BPDQ (in `cm^(2)`).

A

`r-2`

B

`sqrt(r^(2)+4^(2))`

C

`r+2`

D

`sqrt(r^(2)-4)`

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