The position of the cell phone tower is an illustration of the triangle midpoint
The cell phone tower should be located at 
<h3>How to determine the coordinates of the cell phone tower </h3>
The coordinates are given as:
A(1, 1), B(13, 6), and C(13, 1)
The midpoint is then calculated as:

So, we have:

Evaluate the sum

Evaluate the product

Hence, the cell phone tower should be located at 
Read more about midpoints at:
brainly.com/question/16828532