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a horizontal angle measured clockwise from a north base line describes what?
an azimuth
what describes a horizontal angle measured clockwise from a north base line?
An azimuth.
A horizontal angle measured clockwise from a north base line describes?
Azimuth
Is there a positive or a negative angle?
Yes. Angles may be measured from the direction of the positive horizontal axis and, clockwise is negative, anticlockwise is positive.
When is an angle positive?
An angle is positive when it is measured in a counter-clockwise direction. It is negative when it is measured in a clock-wise direction.
a horizontal angle measured clockwise from a north base line describes what?
an azimuth
what describes a horizontal angle measured clockwise from a north base line?
An azimuth.
A horizontal angle measured clockwise from a north base line describes?
Azimuth
what is a horizontal angle measured clockwise from a north base line?
An Azimuth
Is there a positive or a negative angle?
Yes. Angles may be measured from the direction of the positive horizontal axis and, clockwise is negative, anticlockwise is positive.
How is the azimuth of a star measured?
The azimuth of a star is measured as the horizontal angle from a reference point, typically measured in degrees clockwise from north. It is often determined using a compass or an azimuth circle in astronomy.
What is a true bearing?
A true bearing is a type of bearing that indicates the direction of one point relative to another point on the Earth's surface, measured using true north as a reference point. It is expressed as an angle, measured in degrees, between a fixed reference direction (such as true north) and the direction of the point being observed. True bearings are important for navigation, surveying, and other applications that require accurate direction-finding. They differ from magnetic bearings, which are measured relative to the Earth's magnetic field, and are subject to variation depending on the location and time. True bearings are more reliable and consistent, as they are based on the Earth's axis of rotation and do not change over time or location.
When is an angle positive?
An angle is positive when it is measured in a counter-clockwise direction. It is negative when it is measured in a clock-wise direction.
What is the Horizontal angle of a bearing clockwise from a standard direction called?
azimuth
What does it mean when an angle is negative?
An angle is a measure of turn. the amount of turn is the magnitude, measured in degrees, and direction of turn can be clockwise or anti-clockwise. A positive angle turns in an anti-clockwise direction while a negative angle turns in a clockwise direction.
Why is 90 degrees not taken as the angle of reference?
If I understand the question correctly, the answer is that it is simply a case of convention. For bearings, for example, the reference line is North and angles are measured clockwise. In 2-D polar coordinates, the reference line is the horizontal (going East) and angles are measured in the anti-clockwise direction.
What does an azimuth do?
An azimuth is a measurement of the horizontal angle from a reference point, typically measured in degrees clockwise from true north. It is commonly used in navigation, mapping, and astronomy to establish direction.
