# Two angles are vertically opposite to each other and are supplementary. The angles area.150degree, 30 degree b. 120 degree, 60 degreee c. 90 degree, 90 degree d. 45 degree, 135 degree

We know vertically opposite angles are equal to each other  , And as they are supplementary ,

So,

Let  angles be $\angle$A  and $\angle$B and as they are equal

we have,

$\angle$A  =  $\angle$B  =  a

Also as they are supplementary, So

Our angles will be

a + a = 180$°$

$⇒$2a = 180$°$

$⇒$ a = 90$°$

So, our angles are 90$°$ each.

Option C                                                                       ( Ans )

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