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What is "north", "southern", "east", "west", and "central" Africa?
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[QUOTE]Originally posted by Grumman: [QB] [b]''Btw, I see two ways of determining the 'middle' of the African continent. One is by determining the area of the landmass,...''[/b] ...yes, at its widest points, north and south, east and west, and in this case the upper portion, then doing the necessary math to reduce the land mass into its equal components at the center position. However this will be a tall order with the southern, eastern portion of the continent because of the way its geography is and still maintain it within the northern portion's position. That said a trigonometric way probably will, somehow, place the total African landmass together for that purpose but it will leave undecided the center position of the lower part because of its easterly offset. Kind of like hammering the total mass out on a flat board and then trying to reassemble it into its original location and at the same time trying to maintain the center spot. [b]''...which is essentially a relatively less accurate way of looking at it, since it would invoke a two dimensional viewpoint''[/b], Yes. Looking at a map will give a two dimensional perspective in trying to sort things out. A globe however is three dimensional so this alone ups the 'marksmanship.' That said, as noted, it still leaves imprecision because of its smaller stature (12 inches). Yet that small stature can be rewarding in locating places, not individual positions, on a globe with reasonable accuracy, without the minutes and seconds to be sure. And that's where the real precision comes in via satellites transmitting coordinates to a handheld GPS receiver. [b]''or one can go about it via the trigonometric way, taking into consideration the latitude and longitude coordinates and the radius of the earth's sphere.''[/b] Actually it would be more than a consideration if you're looking for precision. And yes it is a radius, also known as angular distance as measured from the center of the earth, i.e., equatorial plane and the axis (90x4) degrees). Actually a 12 inch globe is interesting because of its ability to give coordinates, or angular distances. Obviously the larger the globe is the more information that will be on it. [/QB][/QUOTE]
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