I am looking down on a section of a thick walled cylinder.

The part is C shaped and is a 120 degree portion of the cylinder.

Starting from the midpoint of the C I  need to create a V shaped ramp, both legs of the ramp rising at a 30 angle out of the paper.  Both ramps going away from each other

         forming a V starting at the midpoint of the C.

Can anyone advise me how to do this.

Ed Shrewsbury