With the regular dimension line.
Just turn the witness lines off, pick the two opposing sides of the circle and place the dimension on the centre point.
The radial dimension tool can only dimension a radius.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
