1 Door Thickness: Most standard interior doors are 1 3/8 inches thick, and the door is slightly beveled to make the closure into the jamb. 2  Buy the correct door hardware for the application so the door handles for passage or privacy have the correct back set and bore. Door Thickness: Most standard interior doors are 1 3/8 inches thick, and the door is slightly beveled to make the closure into the jamb. 2  Buy the correct door hardware for the application so the door handles for passage or privacy have the correct back set and bore.
State whether the relationship between the variables in the table is a direct variation, an inverse variation, or neither. If it is a direct or inver...
An example of a variation equation would be the formula for the area of the circle: . In the language of variation, the area A varies directly with the square of the radius r ; the constant of variation is. This formula is an example of direct variation. Direct variation means that, in the one term of the formula, the variable is on top.