1.

The following table shows the relation between the angles x and y. `{:(x,90^(@),100^(@),110^(@),120^(@),130^(@),140^(@)),(y,90^(@),80^(@),70^(@),60^(@),50^(@),40^(@)):}` Then which of the following is true?A. x=yB. `x+y=180^(@)`C. `x-y=20^(@)`D. `x=2y`.

Answer» Correct Answer - B
From the given table,
`x+y=180^(@)`
Hence, the correct option is (b).


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