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Mathematics, 17.05.2021 18:00 steph2478

Peter is making an "X marks the spot" flag for a treasure hunt. The flag is made of a square white flag with sides of 12 centimetres. He will make the "X" by stretching red ribbon diagonally from corner to corner. How many centimetres of ribbon will Peter need to make the "X"?

Round your answer to the nearest centimetre.

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