what is the sum of the measures of the exterior angles of a decagon?
T twitarmy New member Joined Jan 9, 2006 Messages 1 Jan 9, 2006 #1 what is the sum of the measures of the exterior angles of a decagon?
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,582 Jan 9, 2006 #2 Use the formula from your book, or else find it online. Eliz.
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,216 Jan 9, 2006 #3 I always thought the sum of the the exterior angles of any polygon is 360.
M Marvelous Things New member Joined Jan 10, 2006 Messages 4 Jan 10, 2006 #4 That is true. The sum of the measures of any polygon's exterior angles is 360.