What do you mean by “Meridians or Lines of Longitude” ?

1.	What do you mean by “Meridians or Lines of Longitude” ?
Answer» The other set of lines join the north and south poles and cuts the equator at right angles. These lines are called Lines of Longitude or Meridians. The total number of such lines, if drawn 1° apart, is 360° – 180° East and 180° West of the Prime Meridian. It should be noted that 180° East and 180° West in the same lines.

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