The New International Encyclopædia/Perimeter
PERIM′ETER (Lat. perimetros, from Gk. περίμετρος, circumference, from περί, peri, around + μέτρον, metron, measure). The length of the boundary of a plane figure. See Isoperimetric Figures.
Edition of 1905. See also Perimeter on Wikipedia; and the disclaimer.
PERIM′ETER (Lat. perimetros, from Gk. περίμετρος, circumference, from περί, peri, around + μέτρον, metron, measure). The length of the boundary of a plane figure. See Isoperimetric Figures.