Degree symbols In mathematics, degrees, minutes and seconds representing angles are represented by symbols' and' and' respectively. Used to judge the size of the angle. It's a positive number plus a degree. Angle is a mathematical concept. It can describe the size of the angle, that is, the amount that must be rotated when either of the two intersecting lines overlaps the other intersecting line.

Overview of degree symbol interpretation

Use the number 360, because it is easily divisible. 360 has 22 real factors besides 1 and itself, including 2 to 10 except 7, so many special angles are integers. In practical application, the angle of an integer is accurate enough. Sometimes more accurate measurements are needed.

For example, in astronomy or the latitude and longitude of the earth, in addition to expressing degrees in decimals, degrees can be subdivided into minutes and seconds, 1 degree is 60 minutes and 60 seconds, and 1 degree is 60 seconds and 60 seconds. For example, 40.1875 = 4011'15 ". To be more accurate, seconds are expressed in decimals instead of adding units. In mathematics, radian is used instead of angle, because the divisibility of 360 is not important to mathematics, and radian is more convenient in mathematics.