some gen nav Q.
Q1. The total length of 53N parallels of latitude on a direct Mercator chart is 133cm.what is approximate scale at latitude 30S?
1:25 000 000-----ANs{ I did this by first finding scale of equator from 53degree N parallel...then using it to calculate scale at 30S...............but not able to get the correct ans....please guide with this Q.}
thanks
Last edited by AVIATROZ; 12th Oct 2011 at 07:56.