# How Many Diagonals Does a Dodecagon Have?

A dodecagon has 54 diagonals. A dodecagon has a total of 12 sides and 12 angles. In order to find out the number of diagonals in a polygon, you will need to know the number of sides that polygon has.
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Q&A Related to "How Many Diagonals Does a Dodecagon Have?"
 it's a 12 sided shape and it has 54 diagonals :D. http://wiki.answers.com/Q/How_many_diagonals_are_i...
 The number of distinct diagonals possible from all vertices is 54. http://www.chacha.com/question/how-many-diagonals-...
 The equation is [n (n-3)]/2, with n representing the number of sides of the polygon. A dodecagon has 12 sides. [12 (12-3)] /2 12*9=108 108/2=54 There are 54 diagonals There are nine http://answers.yahoo.com/question/index?qid=200908...
 The number of distinct diagonals in a n-gon is (n(n-3)/2. In a dodecagon (12*9)/2=54 diagonals! report this answer. Updated on Wednesday, February 01 2012 at 09:33PM EST. Source: http://www.kgbanswers.com/how-many-diagonals-can-b...
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