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 this point I knew how big the observatory should be and where it should go and where the piers would be inside of the observatory. From the location that I had chosen there was a slight grade of the lot from high on the northwest to low on the southeast as well as high in the north to low in the south.