If the 20 m chain is used to set out a 4° curve, then the radius of t – McqOptions

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1.	If the 20 m chain is used to set out a 4° curve, then the radius of the curve is ___________.
A.	276.5 m
B.	286.5 m
C.	278.5 m
D.	284.5 m
Answer» C. 278.5 m

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