0º
0º refers to an angle measurement of zero degrees
0º refers to an angle measurement of zero degrees. In geometry, an angle is formed by two rays (or line segments) that share a common endpoint called the vertex. The measure of an angle is determined by the amount of rotation between the two rays.
An angle of 0º means that the two rays are aligned in the same direction and do not create any rotation. In other words, the rays are parallel and have no space between them.
Visually, a 0º angle would appear as a straight line, as there is no opening or bending between the rays. It is the smallest possible angle measurement and does not show any change in direction.
When using a protractor to measure angles, the indicator would align with the 0º mark indicating that there is no rotation between the rays being measured.
It is important to note that 0º is different from a null angle or an undefined angle. A null angle refers to a situation where the two rays coincide with each other. This means that the angle itself cannot be measured since there is no space between the rays. On the other hand, an undefined angle refers to a situation where the two rays are not well-defined, such as when they are both parallel or when they are overlapping.
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