Answer to Question #266587 in Geometry for Sssss

Question #266587

A single-lane street, 12 feet wide goes through a semi-circular tunnel with a radius of 10 feet. 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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