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What is the surface area of a rectangular prism that is 12cm by 3cm by 5cm?
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What is the surface area of a rectangular prism that is 12cm by 3cm by 5cm?

User Simon Whitehead
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1 Answer

6 votes
A = 2lw + 2lh + 2hw
A = 2(12)(3) + 2(12)(5) + 2(5)(3)
A = 72 + 120 + 30
A = 222 cm squared

Hope this helps!! :)
User Nikamanish
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