Question

why are distancr from reference line mesured in angle

Answer 1

Since the latitudes and the longitudes are actually points of intersection with the Earth's surface from the center of the Earth, the distances from reference lines are measured in angles. They are angular measurements expressed as degrees of a circle measured from the center of the Earth.

Answer 2

Answer:

Since the latitudes and the longitudes are actually points of intersection with the Earth's surface from the center of the Earth, the distances from reference lines are measured in angles. ... This gives us more accuracy in measuring the distance