Answer:
I don't have a calculator with me, and I'm lazy to take it, but here is how it's done
Step-by-step explanation:
First let's just take it as the shape is a perfect rectangle without any folds. Therefore just take
9 x (3.5 + 2) = 63
Now just count the area of those two folded triangles. Then just take 63 and minus of the area of those two triangles, that's your anwer
