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).
Now that we know a bit about acres and square feet, we can move to conversion of these units and find out how many square feet there are in an acre. One US customary acre is equivalent to 43 560 square feet, 4840 square yards, or about 4047 square meters.ow that we know a bit about acres and square feet, we can move to conversion of these units and find out how many square feet there are in an acre. One US customary acre is equivalent to 43 560 square feet, 4840 square yards, or about 4047 square meters.