Question

using the image provided, which of the following is the shortest side of the triangle?
tr
st
sr
none of these

Explanation:

Step1: Recall angle - side relationship

In a triangle, the shortest side is opposite the smallest angle.

Step2: Identify the smallest angle

The angles of the triangle are $42^{\circ}$, $68^{\circ}$, and $70^{\circ}$. The smallest angle is $42^{\circ}$.

Step3: Find the side opposite the smallest angle

The side opposite the $42^{\circ}$ angle is $\overline{TR}$.

Answer:

A. $\overline{TR}$