In fact, if the land is not square or rectangular, you can still have an area of one acre and a perimeter to figure out. For example, a circular lot of land that is one acre in size would have a perimeter of 740 feet.
Adj. 1. extrovert-being concerned with the social and physical environment. extravert, extraverted, extravertive, extrovertive, extroverted. extraversive, extroversive-directed outward; marked by interest in others or concerned with external reality.
The typical introvert is shy, contemplative, and reserved and tends to have difficulty adjusting to social situations. Excessive daydreaming and introspection, careful balancing of considerations before reaching decisions, and withdrawal under stress are also typical of the introverted personality.