How do you determine the surface area of this figure?

Answer: 153.02cm
Step-by-step explanation:
do 3.7 times 4.5 and multiply that answer by 2 since there are 2 rectangles that have those lengths, then do 7.3 times 3.7 and multiply that answer by 2 since there are 2 rectangles that have those lengths, then do 4.5 times 7.3 and multiply that answer by 2 since there are 2 rectangles that have those lengths, after all this take your 3 numbers you have add them all together and you got your answer.