how many internal diagonals does a nonagon (nine sided polygon) have?
Pick one
A) 25	B) 27	C) 40	D) 56	E) 80
Number of diagonals in any polygon can be found using this formula: n(n-3)/2   Here n = 9   No. of diagonals = 9(9 - 3)/2   = 27   Ans 27
<result>B</result>
how many internal diagonals does a nonagon (nine sided polygon) have?