Select Sketch | Lines | Rectangle. More options...Less options...
(OR) Select the context-sensitive function Line > Rectangle.
You can add automatic guide curves from corner to corner or from middle to middle. Select No helplines, Helplines from corner to corner or Helplines from side to side.
Select the rectangle’s first corner point.
Select the rectangle's second corner point.
Finish the rectangle by selecting its width. Perpendicular constraints are added to the sides of the rectangle.
Draw more rectangles by repeating steps 2-4 or finish drawing rectangles by pressing the ESC key or the middle mouse button.