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Mathematics
Mathematics
Problem
In quadrilateral
A
B
C
D
ABCD
A
B
C
D
,
∠
A
C
B
=
68
∘
\angle ACB = 68^\circ
∠
A
C
B
=
6
8
∘
and
∠
A
D
B
=
68
∘
\angle ADB = 68^\circ
∠
A
D
B
=
6
8
∘
. Determine whether the four points
A
,
B
,
C
,
D
A, B, C, D
A
,
B
,
C
,
D
are concyclic and state the reason for your conclusion.
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