
Steps
Hover over the "Arc" icon in the toolbar.
Click the "Centerpoint Arc" to enter Centerpoint Arc mode.
Create a Centerpoint arc:
Move the cursor and left-click to define the arc center.
Move the cursor and left-click again to define the arc start point.
Left-click to define the arc end point.
(Optional) Enter a radius value and press Enter.
Right-click or press Esc to exit.
Step 1 - Hover over the "Arc" icon in the toolbar:

Step 2 - Click the "Centerpoint Arc" to enter Centerpoint Arc mode:

Step 3 - Left-click to define the arc center:

Step 4 - Left-click to define the start and end points of the arc in sequence:

Step 5 - Enter a radius value to add constraint to the Centerpoint Arc:

