You can find any tool by the Menu Structure HERE: https://turbocaddoc.atlassian.net/wiki/display/TC21UG/Menu+Structure
You can find the menu location of any tool by name HERE: https://turbocaddoc.atlassian.net/wiki/display/TC21UG/Tools+Mapped+to+Menus
Arc - Double Point
Creates an arc by defining two endpoints of its diameter.
- Select a point on the circumference of the circle from which the arc will be cut.
- Select the point on the opposite end of the diameter line, or enter the radius, diameter or circumference, and angle of the diameter line in the Inspector Bar.
- A dotted line appears from the centerpoint. Move the cursor to set the arc start angle, or enter the angle in the Inspector Bar.
- Move the cursor counterclockwise to draw the arc, or enter the end angle or arc length in the Inspector Bar.