Answer: Area 89m^2
Explanation:
To find the area of the rectangle we multiply
Base * Height = Area
8 * 13 = 104
Now we find the area that isn't shaded
I inference that the base of the triangle is 5m
5 * 6 = 30
Now divide that by 2
30/2 = 15
Subtract 15 from 104
104 - 15 = 89m^2