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Which of the following is not an instruments for setting out right angle measurement?
Cross staff
Optical square
Prism square
None of the above
None of the above
Practice and solve "Which of the following is not an instruments for setting out right angle measurement?..." for Civil - Surveying. The correct answer is Option D: None of the above. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Option **(d) **