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Byju's Answer
Standard IX
Mathematics
Construction of an Angular Bisector and its Proof
in a quadrile...
Question
in a quadriletral ABCD the line segment bisect\angle C and\angle D meet atE prove that \angle A+\angle B =2\angle CE
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Q.
In a quadrilateral
A
B
C
D
, the line segments bisecting
∠
C
and
∠
D
meet at
E
. prove that
∠
A
+
∠
B
=
2
∠
C
E
D
Q.
In a quadrilateral ABCD, CO and DO are the bisectors of
∠
C
and
∠
D
respectively. Prove that
∠
C
O
D
=
1
2
(
∠
A
+
∠
B
)
.
Q.
A
O
and
D
O
are the bisectors of
∠
A
and
∠
D
of the quadrilateral
A
B
C
D
. Prove that
∠
A
O
D
=
1
2
(
∠
B
+
∠
C
)
Q.
In the given quadrilateral ABCD, the line segments bisecting
∠
C
and
∠
D
meet at O. Then the correct statement is:
Q.
In the given square ABCD, a line segment DE cuts the side BC at E and the diagonal AC at O such that
∠
C
O
D
=
120
∘
.
Find the measure of
∠
O
E
C
(in degrees).
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