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Problems
In quadrilateral
MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles
Problem
In quadrilateral
A
B
C
D
ABCD
A
B
C
D
,
∠
A
=
(
2
x
+
10
)
∘
\angle A = (2x + 10)^\circ
∠
A
=
(
2
x
+
10
)
∘
and
∠
C
=
(
4
x
−
10
)
∘
\angle C = (4x - 10)^\circ
∠
C
=
(
4
x
−
10
)
∘
. For
A
B
C
D
ABCD
A
B
C
D
to be cyclic, find the value of
x
x
x
. (a)
25
25
25
(b)
30
30
30
(c)
40
40
40
(d)
10
10
10
Related theory
Cyclic Quadrilaterals
Circles
Cyclic quadrilateral properties
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