 QuickShape Tool - Ellipse Button
QuickShape Tool - Ellipse Button

Pressing this button on the QuickShape Tool Infobar:
 changes all currently selected 
 QuickShapes to ellipses,
 changes all currently selected 
 QuickShapes to ellipses, 
 or, if no QuickShapes are 
 currently selected, sets the tool default so the next QuickShape you draw 
 will be an ellipse.
 or, if no QuickShapes are 
 currently selected, sets the tool default so the next QuickShape you draw 
 will be an ellipse.
You can also use the Ellipse Tool to draw ellipses - you may find this more convenient to use.