If Œ∏ is the slope of the ground and l is the measured distance, th – McqOptions

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1.	If Œ∏ is the slope of the ground and l is the measured distance, the correction is
A.	2l sin2 Œ∏/2
B.	2l cos2 Œ∏/2
C.	2l tan2 Œ∏/2
D.	2l cot2 Œ∏/2.
Answer» B. 2l cos2 Œ∏/2

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