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.
At the beginning of the Battle of Aleppo, rebels reportedly had between 6,000 and 7,000 fighters in 18 battalions. The largest rebel group was the al-Tawhid Brigade; the most prominent was the Free Syrian Army, which was largely composed of army defectors.