If Δ is angle of deflection of a simple curve of radius R, the length – McqOptions

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1.	If Δ is angle of deflection of a simple curve of radius R, the length of the curve is
A.	\(\frac{{{\rm{\pi R\Delta }}}}{{90}}\)
B.	\(\frac{{{\rm{\pi R\Delta }}}}{{180}}\)
C.	\(\frac{{{\rm{\pi R\Delta }}}}{{270}}\)
D.	\(\frac{{{\rm{\pi R\Delta }}}}{{360}}\)
Answer» C. \(\frac{{{\rm{\pi R\Delta }}}}{{270}}\)

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