You are driving into St$.$ Louis, Missouri, and in the distance you see the famous Gateway$-$to$-$the$-$West arch. This monument rises to a height of $192m.$ You estimate your line of sight with the top of the arch to be $3\mathrm{.}80$ above the horizontal. Approximately how far $($in kilometers$)$ are you from the base of the arch?

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$248\mathrm{.}20$

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Hint

Attempts: $2$ of $10$ used

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