pls solve this question fast....
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Answers
Answered by
0
Answer:
side=n=9
formula
n(n-3)/2
9(9-3) /2
9×6/2
54/2
27 is the answer
hope this will help you
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Answered by
0
Answer:
side=n=9
formula
n(n-3)/2
9 (9-3)/2
9×6/2
54/2
=27 is the answer
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