+769 The area of a trapezoid is $80$. The length of one base is $16$ units greater than the other base, and one base of the trapezoid is $12$. Find the length of the median of the trapezoid.
+37147 Base1 = 12 units
Base 2 = 12 + 16 = 28 units
median = (12 + 28)/2 = 20 units
