Answer to Question #144208 in Geometry for Bonevie tutor

Question #144208

A single lane street 12ft wide goes through a semicircular tunnel with radius 10ft. How high is the tunnel at the edge of each lane?

Expert's answer

Let "r=10" ft, "l=12" ft.

"h=\\sqrt{r^2-(\\frac l2)^2}=\\sqrt{10^2-6^2}=8" ft.

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