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^(@)):}` Express the relation between x and y with x as the subject.A. `y=180^(@)-x`B. `x=180^(@)-y`C. `y=180^(@)+x`D. `x=180^(@)+y`

Answer» Correct Answer - B
From the given table.
`x+y=180^(@)`
`rArr x=180^(@)-y`


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