COO004 · Coordinate geometry · Classes 9–12
Coordinate Geometry
Algebra meets geometry: points, lines and shapes are described with coordinates.
Coordinate Geometry📐 Formula
Distance in 3D: √(x² + y² + z²) from the origin
✏️ Worked example
P(2, 3, 6): OP = √(4 + 9 + 36) = 7.
🌍 Where it is used
Computer graphics, GPS, robotics and maps.
❓ Quick check
Distance of (6, 8) from the origin: