An instrument used for setting out right angle in surveying a parcel of land is?

A. Measuring rod
B. Abney level
C. A ranging pole
D. Theodolite
E. An optical squarer

Correct Answer:

Option E – An optical squarer

Explanation

Surveying or land surveying is the technique, profession, and science of determining the terrestrial or three-dimensional positions of points and the distances and angles between them