Choose the Rectangle by 3 Points command 
.
Click where you want one corner of the rectangle to be (A).
Click to define the rotation angle and the width of the rectangle (B).
Click to define the height of the rectangle (C).
Tip:
Instead of clicking to draw the rectangle, you can type values in the Width, Height, and Angle boxes on the Rectangle command bar. You can also use a combination of graphic and command bar input.
You can use the options on the command bar and the commands on the shortcut menu to edit a rectangle.