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 - Elliptical
Creates an elliptical arc by defining a bounding rectangle for the ellipse. The axes of the ellipse will be orthogonal.
- Select the first corner of the bounding rectangle.
- Define the diagonally opposite corner of the bounding rectangle, or enter the major and minor axis lengths 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.
Â