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Mathematics
Mathematics
Problem
Points
A
,
B
,
C
A, B, C
A
,
B
,
C
and
D
D
D
lie on a circle in this order such that
A
B
=
B
C
AB = BC
A
B
=
B
C
. If
∠
A
D
C
=
110
∘
\angle ADC = 110^\circ
∠
A
D
C
=
11
0
∘
, find: a. (i)
∠
A
B
C
\angle ABC
∠
A
B
C
b. (ii)
∠
B
A
C
\angle BAC
∠
B
A
C
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