If you are looking for the total it is 81.839
Hey there!
Let's set up an algebraic equation to represent this problem:

In order to get rid of the squared, we need to take the square root of both sides, therefore, our answer is:

Your answer is the square root of 20.
Hope this helps!
I would need to know how many many shelf there are to answer that question?
Which one do you need help on
Answer:
SSS
Step-by-step explanation: