1.

What do you know about longitudes?

Answer»
  • Longitudes are imaginary lines connecting North and South ’Poles. 
  • Longitudes are semi-circles. 
  • Longitudes are also called meridians because when the sun is overhead on a longitude at the time on that longitude it is noon (meridianus).
  • There are 360 longitudes in total. 
  • The longitudes from 0° to 180° to the east are called eastern longitudes. 
  • The longitudes from 0° to 180° to the west are called western longitudes. 
  • 0° meridian is called the Prime meridian or Greenwich meridian. 
  • Longitudes are also expressed in degrees (°), minutes (‘) and seconds (“).


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