What is the rule or process to solve this. Plzz tell the process first and then answer.
Q. How many diagonals are there in a 60 sided convex plane?
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the number of diagonals is given by n(n-3)/2
where n is the number of sides
60(60-3)/2
=30*57
=1710
where n is the number of sides
60(60-3)/2
=30*57
=1710
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