SOLUTION: A rectangular piece of cardboard measures 18 cm by 15 cm. What is the perimeter of the piece of cardboard?

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Question 790250: A rectangular piece of cardboard measures 18 cm by 15 cm. What is the perimeter of the piece of cardboard?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
p=2*18+2*15
p=36+30
p=66 cm