Question

A square floor has an area of 361 square ft. What is the measure of one side of the floor?
A. 180.5
B. 15
C. 19
D. 90.25

Answer 1

\[Area = b^{2} = b \times b \]
b = length of one side

so...
\[b^{2} = 361\]\[b = \sqrt{361}\]\[b = 19\]
got it :) ?

Answer 2

yeah thank's hun :)