# Please explain why there is no higher latitude than 90 degrees N and 90 degrees S. .

durbanville | Certified Educator

Latitude and longitude are terms used in Geography and they help establish the location of a country, a city or place and are used in navigation systems including the now popular GPS which many people use and in fact rely on to get from one place to another. Measurements using angles describe the position of something remote or something in more direct proximity to where you are. Picture earth as the globe that it is with a grid denoting the lines of latitude running horizontally and the lines of longitude running vertically.

In order to verify the angles 90 deg N or 90 deg S always start at the equator line because this is the line of reference. If you are familiar with the Cartesian Plane (the normal x and y axes) in Math you can see that the equator works like the x axis and the line of longitude to the North or South Pole works like the y axis. Once you reach 90 deg (i.e. a right angle just like the x and y axes create) you will note that you have 90 deg either way- to the left and to the right or, geographically to the west or east. Just as the equator is the reference line for latitude, Greenwich in England is the reference line for longitude. Therefore, with the equator line as 0 deg and a vertical line from the center to the north or south pole, a set of perpendicular lines is created and completes the picture.

it would defeat the object if angles could extend beyond 90 deg because the west and east significance would be lost. This is why, there is no higher measurement than 90 deg N or 90 deg S. Once you get to 90 deg, go back to the equator line and measure your angle from the other direction.