The angles ∠1 and ∠2 are adjacent to each other.
What is a Supplementary Angle ?
When the total of two angles equals 180 degrees, they are referred to as supplementary angles because they form a linear angle when combined. When the sum of two angles equals 90 degrees, they are considered to be complimentary angles, and they produce a right angle when they are combined.
In the given figure ∠1 and ∠2 are supplementary angle and adjacent to each other
Therefore in the options given ∠1 and ∠2 are adjacent to each other.
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