GENERAL KNOWLEDGE

GK

WORLD GEOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Before computers, how did mapmakers create map projections?
A
with historical records
B
with mathematical formulas
C
with economic forecasts
D
with observation of natural distortions on Earth’s surface
Explanation: 

Detailed explanation-1: -Map projection is the method of transferring the graticule of latitude and longitude on a plane surface. It can also be defined as the transformation of spherical network of parallels and meridians on a plane surface. As you know that, the earth on which we live in is not flat. It is geoid in shape like a sphere.

Detailed explanation-2: -Robinson Projection The formulas could directly translate coordinates onto the map. This type of projection is shaped like an oval rather than a rectangle (Figure below). A Robinson projection better represents the true shapes and sizes of land areas.

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