From their homes, virtual authorâs assistants organize the publishing process for authors anywhere in the world. A typical day might be on the phone, coordinating the activities of the author and several other professionals, doing research on the Internet and answering and sending emails.
(Jump to Area of a Rectangle or Perimeter of a Rectangle) A rectangle is a four-sided flat shape where every angle is a right angle (90Â°). Opposite sides are parallel and of equal length (so it is a Parallelogram).
Definition of circle for English Language Learners. : 1  a perfectly round shape : a line that is curved so that its ends meet and every point on the line is the same distance from the center. : 2  a path that goes around a central point. : 3  an arrangement of people or things that forms a circle.