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# If two angles are supplementary and one equals $65^{\circ},$ then the other equals .........

$( A ) 105^{\circ} \\ ( B ) 90^{\circ} \\ ( C ) 125^{\circ} \\ ( D ) 115^{\circ}$

• Two angles are supplementary if their sum is $180^{\circ}$
If one angle is 65, then the supplementary angle is $180-65=115$