Mathematics

Two angles are supplementary, if one of them is $$\displaystyle { 49 }^{ o }$$. Find the other angle?


ANSWER

$$\displaystyle { 131 }^{ o }$$


SOLUTION
Since, two angles are supplementary their sum is $$\displaystyle { 180 }^{ o }$$
$$\displaystyle \angle 1+\angle 2={ 180 }^{ o }$$
$$\displaystyle { 49 }^{ o }+\angle 2={ 180 }^{ o }$$ (As one of the angle is $$\displaystyle { 49 }^{ o }$$
$$\displaystyle \angle 2={ 180 }^{ o }-{ 49 }^{ o }$$
$$\displaystyle ={ 131 }^{ o }$$
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