Step #2 

What is the diameter of your table?

Circle with horizontal arrows indicating 60 inches diameter
Diagram of a circle with text indicating a 30-inch diameter highboy table.
Diagram of a circle with a 66-inch diameter.
Diagram of a circle labeled "36-inch Highboy" with two arrows pointing inward.
Circle with 72-inch diameter labeled with arrows pointing outward
Circle with 48-inch diameter labeled by two arrows pointing left and right