Question

When a point on earth surface is accurately surveyed and shown with a triangle mark on the map, it is called ____________.

• A. bench mark
• B. relative height
• C. spot height
• D. triangulation point

Answer 1

The correct option is D triangulation point

When a point on earth surface is accurately surveyed and shown with a triangle mark on the map, it is called triangulation point.

In surveying, triangulation is the process of determining the location of a point by measuring only angles to it from known points at either end of a fixed baseline, rather than measuring distances to the point directly as in trilateration.