Determine the extent of South America from west to east along the equator.
November 26, 2020 | education
| First, we determine the extreme points of the continent along the equator, now only longitude is important.
In the west 81 °, in the east 33 °. We subtract the smaller one from the larger indicator (if the distance that needs to be determined would intersect 0 meredians, then the indicators would add up) and we get the length of the distance in degrees.
Further, we know that at the equator the length of 1 ° is 111 km.
We multiply 33 by 111 and we get 3663 km.
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