Correct Answer:
Option D - Chain Survey- The principle of chain surveying is triangulation.
• This means that the area to be surveyed is divided into a number of small triangles because the triangle is a simple figure that can be plotted from the length of its sides.
D. Chain Survey- The principle of chain surveying is triangulation.
• This means that the area to be surveyed is divided into a number of small triangles because the triangle is a simple figure that can be plotted from the length of its sides.