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In rectangleABCD if BC |\| AD , and bar(...

In `rectangleABCD` if `BC |\| AD` , and `bar(BD)` is a transversal, `angleADB = 100^@ - 4x^@ , angleCBA = 180^@ - 5x^@` ,then `x^@`=_____

A

`90^@`

B

`55^@`

C

`125^@`

D

`180^@`

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