Answer:
40 units
Step-by-step explanation:
Area is length times width
-> L * W = A
[] Let's find the area of the "framed" rectangle. Since the frame is 1 unit wide, we can subtract 1 unit from the frame to get the shaded rectangle.
-> 9 - 1 = 8
-> 6 - 1 = 5
-> 8 * 5 = 40
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
