These cases ended 'separate but equal' in graduate and professional education. In Brown v. Board of Education, 347 U.S. 483 (1954), attorneys for the NAACP referred to the phrase equal but separate used in Plessy v. Ferguson as a custom de jure racial segregation enacted into law.
âºâº Definition: Acre. An acre is a measure of land area in Imperial units or U.S. customary units. It is equal to 43 560 square feet, 4840 square yards, or 160 square rods. The precise meaning of this depends on the exact definition adopted for a foot: the international acre is 4 046.856 422 4 m (for the UK, see).
The number of square feet in an acre is 16.5 feet times 2640 feet, which equals 43,560 square feet per acre. There are 144 square inches in a square foot. The number of square inches per acre is 43,560 square feet times 144 square inches, which equals 6,272,640 square inches per acre.