Find the number of sides of the regular polygon whose each interior angle is \[\mathbf{128}\frac{\mathbf{4}}{\mathbf{7}}\]___________?

Find the number of sides of the regular polygon whose each interior an

1.	Find the number of sides of the regular polygon whose each interior angle is \[\mathbf{128}\frac{\mathbf{4}}{\mathbf{7}}\]___________?
A.	9
B.	12
C.	7
D.	11
E.	None of these
Answer» D. 11