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How much frosting will be needed to frost a cake that is a rectangular prism with the length of 13 inches, width 10 inches & height of 4 inches
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How much frosting will be needed to frost a cake that is a rectangular prism with the length of 13 inches, width 10 inches & height of 4 inches

User Vighanesh Gursale
by
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1 Answer

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surface area of a rectangular prism = 2(wl + hl + hw)
l = 13
w = 10
h = 4

SA = 2((10*13) + (4*13) + (4*10))
SA = 2((130 + 52 + 40))
SA = 2(222)
SA = 444 inches^2 <===
User Brad Hazelnut
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