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What is the surface area ? (rectangular prism)

What is the surface area ? (rectangular prism)-example-1
User Rish K
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A = 2WL + 2LH + 2HW, W is the width L is the length and H is the Height
User Svprdga
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416

Because:

12 x 4 = 48
48 x 2 = 96

10 x 4 = 40
40 x 2 = 80

12 x 10 = 120
120 x 2 = 240

240 + 96 + 80 = 416
User Cproinger
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