In Sketch mode, on the ribbonSketch tab Draw panel , click Rectangle Two Point.
In the graphics window, pick a starting point for the first diagonal corner of the rectangle. When Pointer Input is on, the X and Y starting values for the first point display.
The first value input box highlights. Enter a value for the rectangle length, and press TAB. The field displays a lock icon to indicate that the value you entered constrained the cursor.
The second value input box highlights. Enter a value for the rectangle height, and press ENTER.
The rectangle is drawn and dimensioned automatically using the X and Y values you entered.
Continue drawing rectangles, or press ESC to terminate the Rectangle Two Point command.