Why do topographic maps appear rectangular?
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On my map the 10 min of latitude and 10 min of longitude are equal. I assume you mean the map and not the grids. I expect maybe people are used to rectangular maps. When I print off a topo map, it is always rectangular because the paper is. May there is a law that all paper must be rectangular.\n\nThere is a cartographic projection called a cylindrical projection in which the image of the earth is projected onto a cylinder that can then be unrolled onto a plane. With this projection the latitudes toward extreme north and  south appear much longer than they are. This is the result of trying to project a spherical surface onto a flat surface. Basically it going to distort.
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The prism is named by the shape of its base. e.g rectangular prism has a rectangular base.
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Side view could be profile; strip of land is isthmus (strait is actually water)
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http://en.wikipedia.org/wiki/Image:Ug-map.png
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The image is probably too wide.  When you print go to options (or properties) and try printing in landscape OR use the "fit to page" option.
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See the classic landforms and its characteristics in\nhttp://www.geomorph.org/gt/regional/nam.html
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It's just an assumption...\n\ncoz it looks like a sphere... like how the moon looks round...\n\nBut can u be sure!!!
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Dynamic Choropleth Maps are a data visualization tool for spatial analyses.
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Yes, they are cardboard, and rectangular.
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You'll have to look at the scale thingy at the top of your map.
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To answer this question, you need to know the shape that these points make.  Are they on a line? or are they some two-dimensional shape?
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use the legend to read the map\nlegend tells u what the symbols represent on the map
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On the map I'm looking at, about 1/4 of an inch.
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What sort of symbols? E and W are often used on maps for east and west. Is there something else you're refering to?
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Cartographers have drawn many different kinds of maps, or projections. Each map projection is a different way of showing the round earth on a flat map. Drawing an accurate map gives cartographers a huge problem. It is impossible to draw a round planet on a flat surface without distorting, or misrepresenting, some parts of the earth. Each kind of map projection has some distortion. Typical distortions involve distance, direction, shape, and/or area.
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Spiral, lenticular, elliptical and irregular\n\nSee the link
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If it was an old map the grid might have related to miles.  Newer maps are in kilometres.  If the map is over printed with the new grid it helps to standardise it.  The features of the area/map have not changed - just the convention of the grid used.