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Please help me with this math, I do not get it!!

Please help me with this math, I do not get it!!-example-1

1 Answer

7 votes

Answer:

Surface area= 230.625 (Add 28.125 if u need the top too)

Explanation:

3.75x7.5= 28.125x2=56.25

3.75x9= 33.75x2=67.5

7.5x9=67.5x2=135

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