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Chris puts two layers of cake next to each other. The layers each measure 20 cm by 30 cm. What is the perimeter?
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Chris puts two layers of cake next to each other. The layers each measure 20 cm by 30 cm. What is the perimeter?

User Shaz Ravenswood
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the perimeter is 40 + 40 and 30 + 30 which means it is 140

User John Doe Smith
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