Beta-lactam antibiotics The are a broad class of antibiotics that includes the penicillins and the cephalosporins. Ceftriaxone (Rocephin), a cephalosporin, is sometimes given intravenously to patients with Lyme disease.
If one acre is a square (two-dimensional figure with four straight sides, whose four interior angles are right angles and whose four sides are of equal length), each side is 208.7103 linear feet (square root of 43,560). The perimeter would be 834.8413 linear feet (208.7103*4).
One acre is 43,560 square feet. A square with an area of 43,560 square feet would have side length the square root of 43,560, that is approxiamtely 208.7 feet. Thus a square plot of land with sides of length 208.7 feet has an area of one acre. Penny.