Question 879081
Length * width = area
In a square, length and width are equal
Length squared = area
{{{L^2}}}=36
Square root each side
L = 6
Now that you have the dimensions, use the right angle formula.
{{{a^2}}}+{{{b^2}}}={{{c^2}}}
36 + 36 = {{{c^2}}}
72 = {{{c^2}}}
Square root each side
8.485 = c
The closest is 8.5