The surveying instrument used for measuring horizontal and vertical angles is called? by Sunday | Jan 17 | Agricultural Science WAEC | 0 comments A. theodolite B. Gunter’s chain C. offset staff D. arrow Correct Answer: Option A A. theodolite Users Also Read These:In surveying; the instrument used to measure…Each of the interior angles of a regular polygon is…The instrument used for measuring wind velocity is called?The instrument used for measuring the speed of wind…An instrument of measuring wind speed is called?