Identify the specific context and the significance of the fo…

Identify the specific context and the significance of the following quotation from the Inferno (4-6 good sentences):   If he was once as beautiful as now   he is hideous, and still turned on his Maker,    well may he be the source of every woe!   With what sense of awe I saw his head   towering above me!  for it had three faces.    one was in front, and it was fiery red