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).
Hence we have the name coÃ¶rdinate geometry or, as it is often called, analytic geometry. Rectangular coÃ¶rdinates are an ordered pair, (x, y). The pair (2, 3) -- over 2 and up 3 -- labels a different point than (3, 2): over 3 and up 2. The horizontal coÃ¶rdinate -- Right or left -- is always entered first. The vertical coÃ¶rdinate -- Up or down -- is always entered second.