the answer to you're question is 2623.61440185 for the measurements for you're pyramid
I can't answer this question if there is no figure given. The concept is that, the best fit line must be the line that is closest to all the points given. I found a similar problem online with a picture of the given choices as shown in the attached pictures.
<em> The best fit line must be the one drawn in the first picture attached.</em>
Can you zoom in a little? I can’t teally see it too well