Anupam has a cardboard square with a perimeter of 400 centimetres. He draws a horizontal line and a vertical line on the square and cuts along these lines to create four rectangles. What is the largest possible sum of the perimeters of these four rectangles, in centimetres?
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400
600
800 Questions 21 to 25, 5 marks each
1000
1200
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Australian Mathematics Competition 2020 - Junior (2020)
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