Answer:
1120
Step-by-step explanation:
To find the area split the shape into two rectangles. Find the area of each and add the areas together.
One is 18 by 40 so the area is A = 18*40 = 720.
The other is 10 by 40 so the area is A = 10*40 = 400.
Together the area is 720 + 400 = 1120.
