deceptive geometry.
Monge projection
the question is about when a circle is projected it becomes an ellipse. I will draw it in a post

Question

deceptive geometry.
Monge projection
the question is about when a circle is projected it becomes an ellipse. I will draw it in a post

anonymous · Answer

|dw:1434541500290:dw|
if I have the major diameter ab and center c and a point lies on that circle (ellipse in projection)
why the length of the minor diameter come by doing the following
|dw:1434541780416:dw|
why dx is lenght of minor diameter

anonymous · Answer

@ganeshie8

anonymous · Answer

@perl

anonymous · Answer

just name of any book which gives proofs will be appreciated.

irishboy123 · Answer

here are some videos which might help: https://www.youtube.com/playlist?list=PLqRMx4HIqeS80MsoLWJNmrlbobzhu51_l i haven't watched so can't recommend but have used YouTube a lot for other stuff.

anonymous · Answer

It doesn't have a one on circles ((ellipse)) 
I need a mathematical one as I already know how to do that. I need proofs

anonymous · Answer

proof for the case which I mentioned only

anonymous · Answer

@satellite73 can u help?