Depending on a given set of conditions and the properties of triangles, any of these four outcomes is possible when constructing triangles: No triangles fit the condition.
One unique triangle fits the condition.
Two triangles fit the condition.
Infinitely many triangles fit the condition.
Complete the steps below to find the number of triangles that can be constructed based on the following conditions: one side measures 7 centimeters, another side measures 9 centimeters, and the angle between them measures 74°.

Part A
What does the dotted line in the diagram represent?