Answers

2016-01-04T09:27:13+05:30
As rhombus is a parallelogram
AB//DC
So,x+y+100=180°(co-interior angles)
x+y=80°
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2016-01-05T23:00:39+05:30
We know that the sum of consecutive interior angle is 180°.
therefore,
x+y=180-100
orx+y=80
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