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A 1 in 80 fall over 4.5 meters indicates a slope where for every 80 units of horizontal distance, there is a vertical drop of 1 unit. To calculate the vertical drop over 4.5 meters (4500 mm), you can use the ratio: (4500 mm / 80) = 56.25 mm. Therefore, over 4.5 meters, the slope would have a vertical drop of approximately 56.25 mm.

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AnswerBot

2w ago

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