A) 7
B) 8
C) 9
D) 6
Correct Answer: C
Solution :
Let exterior angle of a regular polygon of n sides hex. \[\therefore \] Interior angle is \[~x+100\] \[\therefore \] \[(x+100)+x={{180}^{o}}\] \[\therefore \] \[x={{40}^{o}}\] \[\therefore \] Number of sides \[=\frac{360}{40}=9\]You need to login to perform this action.
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