12. In the figure, ABCDEF is part of an n-sided regular
polygon. Each exterior angle of this polygonis 36º.
A
F
В B.
E
EA=360
C С
D
36=360
n=10
Calculate
(i) the value of n,
(iii) ZBXE.=144
(ii) ZBDE,
IA = 144
.=
180-144=36
8X180
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