Press Regular Polygons 
, and then select the number of sides (the number in the polygon represents the number of sides).
SMART Notebook 10 for Mac Operating Systems
In addition to creating shapes using the Shapes tool, you can insert regular polygons with between 3 and 15 sides using the Regular Polygon tool.
Press Regular Polygons , and then select the number of sides (the number in the polygon represents the number of sides).
Create a shape by pressing where you want to place the shape and dragging until the shape is the size you want.
To customize the shape, select the shape, and then edit its properties.