How many diagonals does a polygon with 17 sides have, if one of its vertices does not connect to any diagonal? Choose the correct choice
A) 102
B) 104
C) 110
D) 90
E) 84
If I calculate it using the formulae, #diagonals = n (n-3)/2Each vertex sends of n-3 diagonals   n= 17-1 then 16*(16-3)/2= 
<gadget id="calculator">16*(16-3)/2</gadget>
<output>104</output>
104   Correct Option:	104
<result>B</result>
How many diagonals does a polygon with 17 sides have, if one of its vertices does not connect to any diagonal?