SOLUTION: A 20-meter high arch has the form of a parabola with a vertical axis. A horizontal beam was placed across it 9 meters from the top with a measure of 60 meters. What would be the w
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-> SOLUTION: A 20-meter high arch has the form of a parabola with a vertical axis. A horizontal beam was placed across it 9 meters from the top with a measure of 60 meters. What would be the w
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Question 1170357: A 20-meter high arch has the form of a parabola with a vertical axis. A horizontal beam was placed across it 9 meters from the top with a measure of 60 meters. What would be the width of the arch at the bottom?
I've been trying to solve this for an acquaintance but I just couldn't confirm whether it's correct or not. My answer's 89.4 by the way. Thank you so much in advance. Answer by Solver92311(821) (Show Source):