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.
An introvert is someone who is usually reserved and prefers to be alone. Social events tends to drain them of energy giving them the need to have sessions of time being alone which tends to vary from person to person.