Question

A square-shaped warehouse has a floor area of 12,769 square feet. The length of one of the walls is ___ feet.

Select one:
a. 100
b. 23.37
c. 127.69
d. 113
e. none of these

Answer 1

113 (d)

Explanation:

Since the room is square-shaped, you square root the area (12,769) to find the length of each wall. You will get the answer 113. To check this answer multiply 113 by 113 and make sure you get the correct area; it works, so you know the answer is D.