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Because it's almost impossible to make a 3D object correctly placed in 2D. The different map projections are different people trying to be the most correct on their map projections. There's always going to be distortion... each projection has its pros and cons.

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12y ago
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Anonymous

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3y ago
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13y ago

Because, the meaning of cartographers means mapmakers, and when you look at the word cartographers u see the word car, and in a car you use a GPS system to find directions and that's just like a map.Thanks hope you understand.

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11y ago

All map projections have some distortion because they are a flat representation of a round Earth. Shape, geometric area, distance or direction can be distorted, depending on the projection.

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12y ago

So you could see the round Earth on a flatsurface.

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12y ago

so they can d!e

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Q: Why do cartographers need to use map projections?
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Continue Learning about Natural Sciences

Why did people develop a variety of maps for studying and displaying information about earth?

The Earth is a sphere. Maps are flat. Therefore when you try and make a representation of a sphere (the Earth) as a flat map, you introduce some distortions. The process of making a flat map from a sphere is called projection and there are a number of different projections that you can use, each with different distortions (e.g. an equal area projection, a Mercator projection etc). Therefore you need a variety of maps (projections) depending on what you want to use the map for.


Who would use a mercator projection?

Mercator projection is still in common for navigation, due to its unique properties, cartographers agree that it is not suited to large area maps due to its distortion of land area toward the polar regions.


Why do you use market map?

i need to map for iata uftaa training


Why can't you just have one map projection?

One map projection cannot accurately represent the entire Earth's surface because it involves the process of transforming a three-dimensional object onto a two-dimensional surface. Different map projections prioritize certain characteristics, such as preserving shape, area, distance, or direction, but it is impossible to maintain all of these properties accurately at the same time. Therefore, different map projections are used depending on the purpose, area of focus, or intended use of the map.


What does a cartographer use to show direction on a map?

North is always at the top of the map, East on the left, south at the botom, and West on the right.

Related questions

Why do cartographers use different map projections when presenting earth?

Map projections provide techniques to properly display features on maps, globes and atlases.


How do cartographers attempt to deal with problems with maps?

They use different projections to minimize distortion


What does cartographers use to show the meaning of map symbols?

map keys


What do cartographers use to show meaning of map symbols?

keys


Why do mapmakers use map projections?

so people can no what there doing and where there going


What type of map projections do textbooks writers use?

Textbook writers typically use cylindrical or pseudo-cylindrical map projections such as the Mercator, Robinson, or Mollweide projections. These projections provide a good balance between accuracy, distortion, and ease of understanding for educational purposes.


Why are there different types of map projections?

=The curved surface of the earth cannot be shown accurately on a map because such a surface must be stretched or broken in some places as it is flattened. For this reason mapmakers use map projections.=


Why did people develop a variety of maps for studying and displaying information about earth?

The Earth is a sphere. Maps are flat. Therefore when you try and make a representation of a sphere (the Earth) as a flat map, you introduce some distortions. The process of making a flat map from a sphere is called projection and there are a number of different projections that you can use, each with different distortions (e.g. an equal area projection, a Mercator projection etc). Therefore you need a variety of maps (projections) depending on what you want to use the map for.


Who would use a mercator projection?

Mercator projection is still in common for navigation, due to its unique properties, cartographers agree that it is not suited to large area maps due to its distortion of land area toward the polar regions.


Do cartographers use aerial photographs?

Yes they do.


What do map makers use to draw the earth as a flat surface?

Draw the globe stand, then place the globe in it. Then draw the landmarks and do some shading to make the globe look 3Dimensional.


What do cartographers use to see the elevation of landforms?

A theodolite.