SOLUTION: Can you help me with this homework question? Here it is: True or False? If a polygon has 20 sides, then it will have less than 100 diagonals.

SOLUTION: Can you help me with this homework question? Here it is: True or False? If a polygon has 20 sides, then it will have less than 100 diagonals.

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Question 350347: Can you help me with this homework question?
Here it is: True or False? If a polygon has 20 sides, then it will have less than 100 diagonals.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Number of distinct diagonals formula: n(n-3)/2
20(20-3)/2
20*17/2
340/2
=170 it will have more than 100 diagonals.
.
Ed
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