First set up a propotion to figure out the actual measurement of the side of the table.
1.25/6.50 = 2.50/x
Cross multiply
1.25x =16.25
Divide both sides by 1.25
X= 13
Plug 13 into the Area of a square formula
A= side squared
A= 13^2
Area of the actual table top is 169 inches^2