Answer: 1,070 cm²
Step-by-step explanation:
25 multiplied by 15 is 375.
15 multiplied by 4 is 60.
25 multiplied by 4 is 100.
Now, we multiply these answers by 2.
375 multiplied by 2 is 750.
100 multiplied by 2 is 200.
60 multiplied by 2 is 120.
Add these all up, and you get your surface area, 1,070.
(Tldr; SA = 2lw + 2lh + 2hw)
