Homonym: 180 (Degree)
The number "180" is an integer that follows 179 and precedes 181. It is an even number and can be divided by 2, making it a composite number. In mathematics, 180 is significant as it is the sum of the interior angles of a triangle, measured in degrees.
In terms of geometry, a straight angle is defined as 180 degrees. This means that when two rays point in exactly opposite directions, they form a straight line, which is represented by the angle of 180 degrees. The number is also commonly used in various contexts, such as in sports scoring and navigation.