All of these features should be included on a map. These features are essential for understanding and using the map correctly. Maps are divided into a series of squares known as a grid. These grids ...

The origin is the position where 𝒙 and 𝒚 are both zero. It has the coordinates (0, 0). The 𝒙-axis is the horizontal line and the 𝒚-axis is the vertical line. The origin is the position where 𝒙 = ...

The earthly globe is spherical; more precisely, it is an oblate spheroid, like a ball slightly flattened at the poles. More precisely still, it is a triaxial ellipsoid that closely approximates a ...