![3D Geometry, Perpendicular Distance, Perpendicular Line | Mathematics Videos | IIT Joint Entrance Exam Preparation | High School Indian Institute of Technology Joint Entrance Exam | MIT OpenCourseWare 3D Geometry, Perpendicular Distance, Perpendicular Line | Mathematics Videos | IIT Joint Entrance Exam Preparation | High School Indian Institute of Technology Joint Entrance Exam | MIT OpenCourseWare](https://img.youtube.com/vi/2o9hOTP8VU4/0.jpg)
3D Geometry, Perpendicular Distance, Perpendicular Line | Mathematics Videos | IIT Joint Entrance Exam Preparation | High School Indian Institute of Technology Joint Entrance Exam | MIT OpenCourseWare
Equations of a plane in a coordinate space, The Hessian normal form of the equation of a plane, The distance between a point and a plane - plane given in Hessian normal
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A line in the 3D space examples, Angle between lines formula, Condition for intersection of two lines in a 3D space
![13 B Lines in 2D and 3D. The vector AB and the vector equation of the line AB are very different things. x x x x The line AB is a line 13 B Lines in 2D and 3D. The vector AB and the vector equation of the line AB are very different things. x x x x The line AB is a line](https://images.slideplayer.com/25/8052240/slides/slide_3.jpg)