An (\(n - 2)^2\) sided figure has n diagonals. Find the number n diagonals for a 25-sided figure
a
7
b
8
c
9
d
10
Explanation
Correct Option
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alphtgi
3 years ago
The answer to this question is totally wrong...
This is the right solving
(n-2)²=25
square root both sides
n-2=5
n=5+2
n=7
This is the correct solving.
Thank you.


