How to calculate the length of South America along the 50th meridian knowing that 1 degree is equal to about 111 kilometers?
We look at the map and see that according to the indicated median. We see that the starting point at the equator is up to the extreme point of 30 degrees, which means by simple calculation we get the following values in kilometers:
30 degrees x 111 kilometers = 3330 kilometers
Answer length = 3330 km
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