2 years ago

Find the surface area of this prism. Show your reasoning. Organize it so it can be followed

1 answer:

5 0

Standing pieces:
2(9x6)+4(9x3) = 108+108 = 216
“L” horizontal pieces:
cut it to 3 squares of 3x3 each
2x3(3x3) = 54
total surface area = 216+54 = 270cm^2

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