How do I section a dwg view using a sketch that has an arc?

[mjgky30SA]

I am trying to section a cylindrical object (top view), that has multiple cylindrical components inside, to show details between 2 of the inner components diameters. I tried to section and then continue with an arc, but it breaks the section command when I try to add an arc to it. I made a sketch also with  a 90º line on each side of the cylinder outer wall and an arc to connect these 2 lines. They are all connected, but when I use the section command it only recognizes the first line I drew in my sketch. Will the section command work on an arc? Can anyone give me some advise? Thanks!

[Cadmanto]

You can't draw arcs for your section sketch.  The software cannot compute that.  Based on your pic attachment, you should be able to either section the front or a side view to get what you are looking for.

Is there a reason why you want to have an arc in your section sketch?

Windows 10 x64 -16GB Ram
Intel i7-6700 @ 3.41ghz
nVidia GTS 250 - 1 GB
Inventor Pro 2020

[mjgky30SA]

The component I am trying to show has slots on the bottom surface and I need to show the slots so I can instruct where to weld.

[Cadmanto · Accepted solution]

Understand.  Can you do a section across over the top of it looking down on it?

Maybe do a series of short straight lines to accomplish sort of what the arc would do?

Windows 10 x64 -16GB Ram
Intel i7-6700 @ 3.41ghz
nVidia GTS 250 - 1 GB
Inventor Pro 2020

[mjgky30SA]

That was one thing I did try, and it was okay...but I then had to hide a bunch of lines on the sectioned view. Suppose I'll just go with that method as I have spent way too much time trying to get a good view. Thanks!