If h is the difference in level between end points separated by l, then the slope correction is . The second term may be neglected if the value of h in a 20 m distance is less than

If h is the difference in level between end points separated by l, the

1.	If h is the difference in level between end points separated by l, then the slope correction is . The second term may be neglected if the value of h in a 20 m distance is less than
A.	<img src="/_files/images/civil-engineering/surveying/56-3.94-2.png">
B.	m
C.	1 m
D.	2 m
E.	3 m
Answer» E. 3 m