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lana [24]
3 years ago
7

Please help me with this one

Mathematics
2 answers:
Zina [86]3 years ago
8 0

\huge\boxed{\mathfrak{Answer}}

l = 5 \: cm \\ w = 2 \: cm \\ h = 7 \: cm

The formula to find SA => 2lh + 2lw + 2hw

SA => 2lh + 2lw + 2hw \\  = 2 \times 5 \times 7 + 2 \times 5 \times 2 + 2 \times 7 \times 2 \\  = 70 + 20 + 28 \\  = 118  \: \: cm {}^{2}

=> The surface area of the rectangular prism is <u>1</u><u>1</u><u>8</u><u> </u><u>cm²</u><u>.</u>

Alex73 [517]3 years ago
3 0

Answer:

2×5×7+2×5×2+2×7×2

70+20+28

108cm^2

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