If the length of a chain line along a slope of θ° is l, the required – McqOptions

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1.	If the length of a chain line along a slope of θ° is l, the required slope correction is
A.	2l cos² θ/2
B.	2l sin² θ/2
C.	l tan² θ/2
D.	l cos² θ/2.
Answer» C. l tan² θ/2

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