This is so we can find a point on the map by using numbers that we call coordinates. We can use coordinates to help us make a shape bigger or smaller using a scale factor. Narrator: The X axis is ...

Save guides, add subjects and pick up where you left off with your BBC account. Map scales close map scaleThe ratio of the length of a feature on a map to the same length in real life. are often ...

Well, it turns out that many countries - including Russia, Canada and Greenland - are not nearly as big as we think and that's because of a thing called world map distortion. Africa is around 14 ...

Many have noted, for example, how the distortion ... map into perspective. The tool, dubbed "The True Size" allows you to type in the name of any country and move the outline around to see how ...

This map is favored by National Geographic because, when compared to other small-scale maps, there is less distortion. It is known as a "compromise projection" because, while it doesn't entirely ...

For centuries, the Mercator map – one of the most widely used world maps – has shrunk the African continent, distorting its scale and minimising its global significance. Africa covers 30,37-million ...

One is total harmonic distortion (THD), and the other is distortion factor (DF). The definition of the first phrase is universally accepted, but the second phrase is often used rather loosely defined ...