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.
Surveying is the technique of measuring and mapping the Earth's surface to determine positions, distances, and 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.
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.