Geometry

Question Analysis:
This question involves identifying whether the reasoning is deductive or inductive.
The main focus is on recognizing the structure of the argument.

Key Concept Explanation:
Deductive Reasoning starts with a general rule and applies it to a specific case to reach a logical conclusion.
Inductive Reasoning starts with specific observations and makes a generalization that is probable but not certain.

Step-by-Step Solution:
The statement begins with specific observations: "The first five triangles I measured had interior angles summing to 180°."
It generalizes from these observations: "Therefore, all triangles must have interior angles that sum to 180°."
This is an example of inductive reasoning because it generalizes from specific observations to a probable conclusion.<...