4.) The average area of a living room in the United States is 330 square feet. If the living room is in the shape of a square, what are the
approximate dimensions of the room?
Be able to solve the problem without a calculator and explain your
solution.

82.5

Step-by-step explanation:

330/4=82.5

there are 4 sides to a square and they are even this means that you need to divide it by 4 to get the dimensions.  If you multiply 82.5 by itself it will equal 330 meaning that is the answer.

c

step-by-step explanation:

(hint): the answer is in the question.