1.

When R is the radius of the curve (in metres), D is the degree of curve (in degrees) and length of the chord is 30 m, then the relation between R and D is

A. R = 1520/D
B. R = 1720/D
C. R = 4500/D
D. R = 5400 / D
Answer» C. R = 4500/D


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