Help me I don’t understand how to do this
2 answers:
Answer: 119.28
Step-by-step explanation:
the formula for surface area of a rectangular prism is 2(width×length+height×length+height×width)
in this case, it would be 2×(2.1×8.4+4×8.4+4×2.1)=119.28
I think the answer to this question is 29
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