To flip an object horizontally or vertically
Select the object you want to flip.
On the Arrange menu, click Transform, and then click Flip.
Choose Flip Horizontal to flip the object horizontally (like a page in a book), or choose Flip Vertical.
As a shortcut, press F7 to flip horizontally. Press SHIFT+F7 to flip vertically.
Related Topics
Flipping an Object Numerically