An airplaine dropped from an altitude of 11,450ft to 578 ft. What is the integer that shows how many feet the plane dropped

A)26•2=52there are 2 sides with the same length116-52=64the other 2 side have to be half of 64 each64/2=32the width is 32b)make two sentences about these steps because your teacher knows how you write and explain things.