To draw a polygon (a many-sided shape):
Select the Polygon button .
Click to start the polygon, move the pointer and click again to finish the first edge.
Repeat step 2 to create as many edges as you want.
Double-click to complete the shape - Draw automatically joins the first and last points with a straight line.
You can also use the polygon tool to draw a freehand shape, by dragging the mouse but without depressing the mouse button.
See also:
Selecting, moving and resizing draw objects
For details on other shapes, see Adding a shape.