Correct Answer - B

Sum of the interior angles `=[180(N-2)]^(@)`.

Each interior angle`=[(180(N-2))/(N)]`. For this to be an integer, N must divide `180(N-2)` exactly.

`N lt 10`

`:.`N can be 3 or 4 or 5 or 6 or 8 or 9.

`:.` The polygon ahs 6 possibilities.

Hence, the correct option is (b).