A geographic coordinate system defines two-dimensional coordinates based on the Earth's surface. It has an angular unit of measure, prime meridian and datum (which contains the spheroid). As shown in the image below, lines of longitude have X-coordinates between -180 and +180 degrees #autocadcoordinates #globalcoordinates ⬤ buy hp elitebook g3 for 3d modeling:- https://amzn.to/3inXkdD ⬤ buy computer mouse for drafting :- https://amzn.to/3Be2bXy ⬤ buy mechanical keyboard for architectures :- https://amzn.to/3kzmysj ⬤ buy benq 24" monitor for best 3d modeling:-https://amzn.to/3BfuaGp ⬤ buy printer canon pixma :- https://amzn.to/3z9NFhQ