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kramer
2 years ago
15

Please simplify the answer

Mathematics
1 answer:
nydimaria [60]2 years ago
7 0

Answer:

56\: in^2

Step-by-step explanation:

  • Surface area of the net = 4* Area of one triangle + Area of square

  • = 4*\frac{1}{2}*4*5 + (4)^2

  • = 40 + 16

  • = 56\: in^2
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Check this result by subbing 18 for x in the given equation.

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