"Add point" on point

[Doc986]

I have a circle. I want to divide it in half (the right side in red, and the left side in green)
If i divide it with "add points" and I'm going to fill the color, it fills all circle.
How i do?

[Wiseling]

Hi Doc,
just add a point in the middle of the line..

[Víctor Paredes]

Also, you can use the "create shape tool" and select only the points involved in the shape you want.