a protractor
The instrument for measuring the angles of a triangle is called a protractor.
alidade
Your question is unclear but one instrument for measuring angles is a protractor.
Surveying instrument of high precision, can measure both vertical and horizontal angles, unlike a level telescope which is limited to the flat angles. The name is believed to come from the Greek- meaning, The Eye of God.
A graphometer is a surveying instrument. It is used to measure angles.
A theodolite is a surveying instrument used to measure horizontal and vertical angles. It requires a separate instrument to measure distances. A total station is a surveying instrument that combines the functions of a theodolite and distance measuring device, allowing for simultaneous measurement of angles and distances.
Surveying is the technique of measuring and mapping the Earth's surface to determine positions, distances, and angles.
To measure Angles, Process of Measuring Horizontal and vertical Angles
Jacobs Staff
a protractor
An instrument used for drawing and measuring angles
The instrument for measuring the angles of a triangle is called a protractor.
alidade
A semicircular instrument for measuring and constructing angles.
Sextant
No they did not. They also had a surveying instrument called the groma and measuring tools.