HOW dimension as in the picture
What should be done to make up and down scaling
How up and down
Select Faces not Edges - should get you what you want
In the drawing environment
How to make the drawing environment
Dimension 3D drawing environment to
Try creating the dimension 10 times and one of those times you might get lucky and it will go in the correct direction. Also for some of those instead of just selecting the one edge for the dimension you can dimension between two edges or between and edge and a point.
For the dimension to the top of the cylinder you may need to create a sketch in the part and then show the sketch on the drawing and dimension to that. But then I don't know how to hide the sketch without the dimension disappearing.
not trying to be a smart arse here, but seriosly I would consider doing some of the SolidWorks Getting Started tutorials
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