Let

be the length of the square, then the area is

. Hence, the side is the positive root of the area, which is
It will be 165.85365853658536. Hope this helps !!
ANSWER

EXPLANATION
The given function is,

The parent function of this ceiling function is

When this function is shifted horizontally 3 units to the left, we obtain the transformed function,

The correct answer is option D.
See attachment.