Octants are the eight spaces in which the three coordinate planes divide the space. Points anywhere in the 3-d space are (x,y,z).The coordinates of a point in various positions can be, thus: The planes are XY plane, YZ plane, and ZX plane. The coordinates of a point on a three-dimensional space determined by the three axes are written as an ordered pair (or ordered triplet) (x,y,z). The resulting three planes as a result of these three axes are called coordinate planes. The Cartesian coordinate system is a rectangular system with three mutually perpendicular lines forming the coordinate axes, the axes being x-axis, y-axis, and z-axis. When we talk about three dimensions, there are three different axes instead of two, as in a Cartesian Plane. The two-dimensional coordinate system is the same as the cartesian plane, and the coordinates of a point are determined by an ordered pair, as noted above.Ĭlass 11 Probability Coordinate Axes and Planes.The location of any point is determined by a single point, stating how far it is from zero (e.g., -10, 7). One-dimensional coordinates are simply a number line and extend only in one axis.It is always x-point followed by y-point in an XY plane. Ordered pair refers to the exact way in which coordinates of a point are mentioned.Using the above plane, we can find the exact location of any point on the plane, also known as the coordinates of a point.A point in a plane can be described using the ordered pair of numbers on this plane. The name comes from Rene Descartes, the French mathematician who made its formal use in mathematics. Two perpendicular number lines form a cartesian plane. Mentioned below are the definitions of important terminologies chapter on 3D geometry class 11- Cartesian Plane NCERT Class 11 Maths Solutions 3D Geometry Class 11: Definitions
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