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Calculate the perimeter of the following shape, knowing that the measurement unit for all sides is the metre.
metres
Calculate the length of the red side, given that the perimeter of the shape is 52 metres and the unit of measure for all sides is the metre.
Calculate the length of the red side, given that the perimeter of the shape is 42 metres and the unit of measure for all sides is the metre.
Calculate the length of the red side, given that the perimeter of the shape is 40 metres and the unit of measure for all sides is the metre.
It is done.