Question 41224
The table is a square, so all the sides are of equal length.
side = s
Equation:
{{{s^2 - 48 = 2(4s)}}}
{{{s^2 - 48 = 8s}}}
{{{s^2 - 8s - 48 = 0}}}
{{{(s - 12)(s + 4) = 0}}}
{{{s = 12}}} or {{{s = -4}}}
Length can not be negative, so the side's length is twelve feet long.