The area of the pentagon is 5(1/2*9*13) = 5(58.5) = 292.5 square units.
There are 2 pentagons, so the area of the two are: 292.5 x 2 = 585 square units.
The area of the rectangle is 20 * 13 = 260 square units.
Total area = 260 + 585 = 845 square units.
The answer is D.
