1.77m = 5.81 feet (approx).
Charles Mound, located in northwestern Illinois, has the state's highest elevation at 1,235 feet above sea level.
Five feet six inches !
15 feet.
21 feet
100.55 feet is 100.55 feet!
4 feet by 4 feet.
4 feet!
5,280 feet.
5280 feet.
A hundred feet of what?
75.85 feet
33 feet.