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In a parallelogram A B C D , if /D A B=7...

In a parallelogram `A B C D` , if `/_D A B=75^0a n d\ /_D B C=60^0,` then `/_B D C= (a)` `75^0` (b) `60^0` (c) `45^0` (d) `55^0`

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RD SHARMA ENGLISH-QUADRILATERALS-All Questions
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