Length x Height : 4.5 x 7.5 = 33.75 + 33.75 = 67.5 Width x Length : 3 x 4.5 = 13.5 + 13.5 = 27
Width x Height : 3 x 7.5 = 22.5 + 22.5 = 45
Surface Area : 27 + 45 + 67.5 = 139.5
Answer : 139.5

What is the surface area of the box if it is scaled up by a factor of 10?

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