If patio is square it means that area of if is [tex]A=a^2[/tex] where a is one side Now we can substitute A=200 and solve eq [tex]a^2=200[/tex] a=[tex] \sqrt{200} [/tex] a=14.1421 Now we are rounding to the nearest tenths a=14.1 because next number is 4 and is less then 5. The result is 14.1
