The instrument you are looking for is a compass
A protractor can be used to measure an angle.
The instrument used to measure a angle is called a protractor!
A protractor.
An azimuth quadrant is a tool used in navigation and astronomy to measure horizontal angles or directions relative to a reference point, typically true north. It is often a quarter-circle instrument marked in degrees, allowing users to determine the azimuth angle of celestial objects or geographic locations. By measuring the angle from the north in a clockwise direction, navigators can accurately pinpoint their position or the position of other objects in relation to their location.
A protractor is an instrument that is used when you need to measure an angle.
A protractor is used to measure an angle.
A protractor can be used to measure an angle.
The instrument used to measure a angle is called a protractor!
A protractor is used to measure an angle
A protractor.
the vertex of the angle
A sextant.
A protractor is an instrument that is used when you need to measure an angle.
Some of the devices used to measure angle are Transit, Protractor and Compass.
Goniometer
Not sure what an instermant is, but an appropriate instrument is a protractor.
It is called a semi protractor and the fully-circular one is called an angle measurer