Definition of Coplanar. Set of points, or lines or line segments or rays or geometrical shapes which lie on the same plane are said to be co-planar. In the above diagram, we can see that two planes intersect ( meet ) along a line. The points A and B are on one plane and the points M and N are another plane.
A4 paper is the size most used in the world. The dimensions of A4 is 297 x 210 mm or 11.69 x 8.27 inches. It has an area of 0.062 mÂ², which corresponds to 0.07 square yards, 0.65 square foot, or 93 square inches.When usual and recommended printing margins are put, the printable size of A4 is 247 x 170 mm.he dimensions of A4 is 297 x 210 mm or 11.69 x 8.27 inches. It has an area of 0.062 mÂ², which corresponds to 0.07 square yards, 0.65 square foot, or 93 square inches. When usual and recommended printing margins are put, the printable size of A4 is 247 x 170 mm.
A4 is a document format, as a screen image that's going to depend on the image resolution, for example an A4 document resized to: 72 dpi (web) = 595 X 842 pixels. 300 dpi (print) = 2480 X 3508 pixels (This is A4 as I know it, i.e. 210mm X 297mm @ 300 dpi). 600 dpi (print) = 4960 X 7016 pixels. And so forth.