3 years ago

What is the surface area of this rectangular prism?

Mathematics

1 answer:

dybincka [34]3 years ago

3 0

Answer:

256 ft²

Step-by-step explanation:

4 lateral faces + 2 bases

The total area

$=2 \times (12 \times 4) + 2 \times (12 \times 5) + 2 \times (5 \times 4)$

$= 96 + 120 + 40$

$= 256$

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