The area of the District of Columbia is 68 square miles = 1,895,731,200 square feet.
"Long" is an adjective used with distance, not with area.
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8 square feet.
A square four feet long on each side will have an area of sixteen square feet.
No square can be 24 feet long and 48 feet high. All 4 sides of a square must bethe same length. If they're not, then it isn't a square.The area of a rectangle that is 24 feet long and 48 feet high is 1,152 square feet.
100 square feet.
26 square feet.