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What would be the value of apex distance if the angle is given as 13˚42ꞌ and the radius of the curve is given as 19.24m?

What would be the value of apex distance if the angle is given as 13˚42ꞌ and the radius of the curve is given as 19.24m? Correct Answer 0.138 m

The apex distance for a simple curve can be given as E = R*(sec (θ/2)-1). On substitution, we get E = 19.24*(sec (13˚42ꞌ/2)-1) E = 0.138 m.

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