What latitude measurement is considered at the poles?

The latitude measurement at the poles is 90 degrees. This is because latitude measures the angle north or south of the Equator, which is designated as 0 degrees. As you move towards the poles, the latitude increases, ultimately reaching 90 degrees at each pole—90 degrees North at the North Pole and 90 degrees South at the South Pole. This distinction is essential for understanding geographic coordinates, as it helps in locating positions on the Earth's surface. The other latitude measurements specified, such as 0 degrees (the Equator), 45 degrees (which is halfway between the Equator and the poles), and 180 degrees (which is a measurement for longitude in relation to the International Date Line), serve different purposes in geographic reference and cannot be accurately associated with the poles themselves.