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# RD Sharma Solutions for Class 11 Maths Chapter 28: Introduction To 3D Coordinate Geometry

The new CBSE syllabus is included in Chapter 28 – Introduction to Three-Dimensional Coordinate Geometry. The ideas are presented engagingly, making learning enjoyable and easy. The chapter begins with definitions of coordinate axes and coordinate planes that are simple to understand. In three dimensions, the coordinate axes of a rectangular cartesian coordinate system are three mutually perpendicular lines. The X, Y, and Z axes are the three axes that make up the three-dimensional space.

The three planes indicated by the pair of axes are known as coordinate planes. These planes, which are known as the XY, YZ, and ZX planes, divide space into eight octants. The perpendicular lengths from any point P on mutually perpendicular coordinate planes, YZ, ZX, and XY, in that order, are a point's coordinates in space. As seen below, the coordinates of a point P are represented as a triplet (x, y, z). The coordinates of any place on

• The X-axis is shaped as follows: (x, 0,0)
• The Y-axis is shaped as follows: (0, y, 0)
• The Z-axis is shaped as follows: (0, 0, z)
• The point on XY-plane is (x, y, 0)
• The YZ-plane has any point (0, y, z)
• The ZX-plane is represented by (x, 0, z)

Three activities are included in Chapter 28 – Introduction to Three-Dimensional Coordinate GeometryThis chapter will cover the concepts of a point's coordinates in space, signs indicating a point's coordinates, the formula for calculating distance and section formula for 3D space. Students are recommended to use RD Sharma Class 11 Maths Solutions for more details, which can help them prepare for their exams quickly and smartly.