SOLUTION: Hello. This is my third question today. 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

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: Hello. This is my third question today. 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      Log On


   



Question 1170379: Hello. This is my third question today.
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) About Me  (Show Source):
You can put this solution on YOUR website!
Question 1170357


Show the work you did to get that answer and I'll let you know if it is correct or not.

John

My calculator said it, I believe it, that settles it

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