If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying

tangent of the angle of inclination with vertical

sine of the angle of inclination with vertical

cosine of the angle of inclination with vertical

calibration coefficient of the gauge.

If a gauge is installed perpendicular to the slope, its measurement is

1.	If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying
A.	sine of the angle of inclination with vertical
B.	cosine of the angle of inclination with vertical
C.	tangent of the angle of inclination with vertical
D.	calibration coefficient of the gauge.
Answer» C. tangent of the angle of inclination with vertical