Math, asked by hgefcfv, 1 year ago

pls solve this question fast....​

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Answers

Answered by crisislee
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 ans231
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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