Respuesta :

jiangjacky1234ozqz8r

Answer:

281

Step-by-step explanation:

12*4 rectangle 2  times because theres 2 of the same surfaces

5*4 rectangle 2 times

12*5 rectangle on the bottom surface 1 time

4 triangle surfaces of (5*5)/2

7*5 rectangle on top

add and you get 281

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