Better Students Ask More Questions.
An engineer is designing a curve on a highway. The curve will be an arc of a circle...
1 Answer | add yours
High School Teacher
We use the formula `s=rtheta` where s is the arc length, r the radius of the circle, and `theta` the central angle(in radians):
Given r=1260 and `theta=pi/6` .
Then `s=1260 pi/6210pi~~659.734`
So the length of the curve is approximately 660ft.
Posted by embizze on May 31, 2013 at 2:43 AM (Answer #1)
Join to answer this question
Join a community of thousands of dedicated teachers and students.