Question

which side of this triangle is its hypotenuse? d (overline{de}) e f

Explanation:

Step1: Recall hypotenuse definition

In a right - triangle, the hypotenuse is the side opposite the right angle.

Step2: Identify side opposite right angle

In right - triangle $\triangle DEF$ with right angle at $E$, the side opposite $\angle E$ is $DF$ which is labeled as $e$.

Answer:

C. e