40 pts i need for an easy question but im beyond repai (i know the answers to some of these, but i really just need showing my work! ) the great wall of china is the only human-built structure that can be seen from the space shuttle. when completed, the wall was over 19,536,000 feet long. how long is the great wall in kilometers? a. how many miles long is the great wall? how many feet are in a mile? 5280 feet = 1 mile show your work to find 19,536,000 = miles b. suppose 1 mile = 1.6034 kilometers. how many kilometers long is the great wall? show your work. 21,196.8 km c. how many meters? show your work. 21.19618 million meters