Adjacent Angles Problem: Finding Pairs That Sum to 180 Degrees

To determine if the statement that "the sum of the adjacent angles is 180" is true, follow these steps:

• Step 1: Define Adjacent Angles
  

  Adjacent angles are two angles that have a common vertex and a common side but do not overlap. In geometry, when these angles form a straight line, they are known as a linear pair.

• Step 2: Apply the Linear Pair Theorem
  

  The Linear Pair Theorem states that if two angles are adjacent and form a linear pair (i.e., the non-common sides form a straight line), then these angles are supplementary. This means that their sum is $180^\circ$.

• Step 3: Conclusion
  

  Therefore, when adjacent angles form a linear pair on a straight line, their sum is indeed $180^\circ$.

This validates the statement that "the sum of the adjacent angles is 180" for linear pairs, making the statement True.

This corresponds to the answer choice stating: True.