Sam created a porch that was part wooden and part concrete, as shown in the figure below.
If a = 18 ft, b = 24 ft, and c = 30 ft, what is the total area of the porch? Assume that the wooden part is a right triangle and the concrete part is a square.
A. 1,116 ft2
B. 186 ft2
C. 1, 260 ft2
D. 102 ft2