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.
A0 is a less commonly used standard of paper due to its large size. The ISO 216 standard defines A0 size to be 841mm Ã 1189mm, which is also exactly double the size of an A1 and is also the largest size in the A series.