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Byju's Answer
Standard X
Mathematics
Cyclic Quadrilateral
If ABCD is a ...
Question
If ABCD is a cyclic quadrilateral and
∠
A
=
90
∘
−
x
∘
, then
∠
C
=
A
90o+xo
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B
90o - xo
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C
180o - xo
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D
90o + xo2
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Solution
The correct option is
A
90o+xo
In the cyclic quadrilateral ABCD,
∠
A
+
∠
C
=
180
∘
∠
A
=
90
∘
−
x
∘
∠
C
=
180
−
(
90
−
x
)
=
180
−
90
+
x
=
90
∘
+
x
∘
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0
Similar questions
Q.
If ABCD is a cyclic quadrilateral and
∠
A
=
90
∘
−
x
∘
, then
∠
C
=
Q.
State true or false:
In a quadrilateral
A
B
C
D
,
∠
B
=
90
0
and
∠
D
=
90
0
, then
2
A
C
2
−
A
B
2
=
B
C
2
+
C
D
2
+
D
A
2
Q.
In a quadrilateral
A
B
C
D
,
∠
B
=
90
,
A
D
2
=
A
B
2
+
B
C
2
+
C
D
2
, prove that
∠
A
C
D
=
90
0
Q.
In quadrilateral ABCD,
∠
B
=
90
0
,
∠
C
−
∠
D
=
60
0
and
∠
A
−
∠
C
−
∠
D
=
10
0
, Find
∠
A
,
∠
C
,
∠
D
.
Q.
In a quadrilateral ABCD
∠
A
+
∠
D
=
90
0
, then prove that
B
D
2
+
A
C
2
=
A
D
2
+
B
C
2
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