Coplanar lines. The lines which lie on the same plane are said to be coplanar lines. In the above figure, we can see that the lines, l, m and n lie on the same plane, hence they are coplanar. Coplanar line segments.
Occupying an area of more than 190 km 2 (73 sq mi), Aleppo is one of the fastest growing cities in the Middle East. According to the new major plan of the city adopted in 2001, it is envisaged to increase the total area of Aleppo up to 420 km 2 (160 sq mi) by the end of 2015.
The area of an acre is 43,560 square feet. If an acre is shaped in a perfect square, each side is about 209 feet long. The perimeter equals the sum of the lengths of each side, or approximately 836 linear feet. If the acre's perimeter is circular, the number of linear feet equals the circumference of the plot, or 740 feet.