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Quadrilaterals ABCD and ACDE are both cyclic
MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles
Problem
Quadrilaterals ABCD and ACDE are both cyclic. If
(
∠
A
B
C
=
68
∘
)
(\angle ABC = 68^{\circ})
(
∠
A
B
C
=
6
8
∘
)
and
(
∠
A
D
C
=
112
∘
)
(\angle ADC = 112^{\circ})
(
∠
A
D
C
=
11
2
∘
)
, find
(
∠
A
E
C
)
(\angle AEC)
(
∠
A
E
C
)
. (a)
68
∘
68^{\circ}
6
8
∘
(b)
124
∘
124^{\circ}
12
4
∘
(c)
112
∘
112^{\circ}
11
2
∘
(d)
56
∘
56^{\circ}
5
6
∘
Related theory
Circles
Cyclic Quadrilaterals
Cyclic quadrilateral properties
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