Question

How do I find the surface area of this?! Please PLEASE answer me! Do not give links.
I have tried 152 and it was incorrect.
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Answer 1

Answer:

252 in.²

Step-by-step explanation:

Pink cuboid:

2(10 x 2) + 2(10 x 4) + 2(4 x 2) = 136

Green cuboid:

2(4 x 7) + 2(4 x 7) + 2(4 x 4) = 144

136 + 144 = 280

280 - (4 x 7) = 252