1. We have a disagreement about the content of the Map projection page. 2. The reduced latitude is not used in the theory of map projections . 3. Other problems can be caused by using map projections that distort areas. 4. I think most map projections will look quite similar for the Philippines. 5. However, the notion of a map projection extends far beyond this simple case. 6. The "'transverse Mercator "'map projection is an adaptation of the standard Mercator projection. 7. After learning trigonometry, he taught himself the methods and formulas of map projections . 8. The map projection becomes critical in understanding how scale varies throughout the map. 9. Standard map projections include Miller-, Robinson-and Mercator projection also Gall Peters-or Hobo-Dyer projection. 10. The "'Hammer projection "'is a map projection described by Ernst Hammer in 1892.