Rectangle
To measure the perimeter or area of a rectangle, press the Rectangle button on the toolbar or select the Rectangle command from the Edit Menu or the Popup Menu. The rectangle command can also be assig
To measure the perimeter or area of a rectangle, press the Rectangle button 
on the toolbar or select the Rectangle command from the Edit Menu or the Popup Menu. The rectangle command can also be assigned a shortcut key. By default this action is assigned to Ctrl+Alt+R.
After selecting the command, click on three adjacent corners in either a clockwise or a counter clockwise order. The rectangle is not generated until the last point is clicked.
on the toolbar or select the Rectangle command from the Edit Menu or the Popup Menu. The rectangle command can also be assigned a shortcut key. By default this action is assigned to Ctrl+Alt+R.After selecting the command, click on three adjacent corners in either a clockwise or a counter clockwise order. The rectangle is not generated until the last point is clicked.