Because, if the two angles from a liner pair then they are supplementary.
What is Linear Pair Theorem?
Linear pair theorem is used in the measures of angles formed when two or more lines intersect each other.Linear pair is the angles are always supplementary this means that the sum of the angles of a linear pair is always 180 degrees and this is formed when two adjacent angles are formed by two intersecting lines.
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Answer:
A. Linear Pair Theorem
Step-by-step explanation:
Because, if the two angles from a liner pair then they are supplementary.
What is Linear Pair Theorem?