45 Degree only

90 Degree only

either 45 Degree or 90 Degree

any angle

method of perpendicular offsets

method of oblique offsets

method of ties

all involve equal measurement on the ground

1 in 100

1 in 250

1 in 500

1 in 1000

always additive

always subtractive

always zero

sometimes additive and sometimes subtractive

measuring approximate horizontal angles

setting out right angles

measuring bearings of the lines

none of the above