BASICS OF 3 D GEOMETRY

Image of a point (x,y,z) in the  xy plane is (x,y,-z). 

Image of (x,y,z ) in the YZ plane is (-x,y,z)

Image of ( x,y,z) in the XZ plane is (x,-y,z)

Also learn about the distance formula and section formula by viewing these problems. In Section formula, we have internal and external division. To understand more, watch these videos.

Click to view problems

Click to watch video .

MORE ABOUT 3 D GEOMETRY

These 2 lessons cover the basic gist of 3 D geometry needed for Class 11 CBSE and ISC. Having taught mathematics for over close to 2 decades for classes 11 and 12, I hope these lessons will help make math easy for you.

Click to watch video.