ABCD एक समान्तर चतुर्भुज है, जिसमें AC औ...

ABCD एक समान्तर चतुर्भुज है, जिसमें AC और BD विकर्ण हैं। यदि `/_ BAD = 60^(@),/_ADB = 90^(@)` है, तो `BD^(2)` किसके बराबर है ?

A

`(3)/(5) AB^(2)`

B

`(3)/(4) AB^(2)`

C

`(1)/(2) AB^(2)`

D

`(3)/(3) AB^(2)`

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