For reference, violent crime includes assault, murder, robbery, and rape, while property crime includes burglary, larceny, and vehicular theft. California proved to be the safest state in the nation, taking 11 of the top 25 cities. A suburb of one of the country's most dangerous cities landed in the No. 1 spot. Read on for the 25 safest cities in America: Virginia Beach, on the Atlantic Ocean at the mouth of the Chesapeake Bay, offers residents and visitors many outdoor and water activities.Visit Virginia Beach/Facebook. Population: 445,623.
In Euclidean plane geometry, a quadrilateral is a polygon with four edges (or sides) and four vertices or corners. Sometimes, the term quadrangle is used, by analogy with triangle, and sometimes tetragon for consistency with pentagon (5-sided), hexagon (6-sided) and so on.
A quadrilateral is a polygon that has exactly four sides. Meaning. A quadrilateral is a polygon that has exactly four sides. Discussions of 2-D shapes sometimes refer only to the boundary (the line segments that form the edges of the figure) or to the interior as well.