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Standard VII
Mathematics
Question
O
A
=
O
B
,
O
C
=
O
D
,
∠
A
O
B
=
∠
C
O
D
. Prove that
A
C
=
B
D
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Solution
Verified by Toppr
Given
∠
A
O
B
=
∠
C
O
D
∠
A
O
B
−
∠
C
O
B
=
∠
C
O
D
−
∠
C
O
B
∴
∠
A
O
C
=
∠
D
O
B
In
Δ
A
O
C
and
Δ
D
O
B
i
)
O
A
=
O
B
(Given)
i
i
)
O
C
=
∠
O
D
(Given)
i
i
i
)
∠
A
O
C
=
∠
D
O
B
(Proved above)
∴
Δ
A
O
C
≅
∠
D
O
B
(SAS Axiom)
∴
A
C
=
B
D
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Similar Questions
Q1
O
A
=
O
B
,
O
C
=
O
D
,
∠
A
O
B
=
∠
C
O
D
. Prove that
A
C
=
B
D
View Solution
Q2
If O is a point within a quadrilateral ABCD, prove that ;
O
A
+
O
B
+
O
C
+
O
D
>
A
C
+
B
D
.
View Solution
Q3
In the given figure,
O
A
=
O
B
,
O
C
=
O
D
,
∠
A
O
B
=
∠
C
O
D
.
Which of the following statements is true
?
View Solution
Q4
OA perpendicular to OD, OC perpendicular to OB, OD = OA, OC = OB. Then prove that AB = CD
View Solution
Q5
In trapezium
A
B
C
D
, side
A
B
∥
C
D
and diagonals
A
C
and
B
D
intersect each other at
O
.
Prove that:
O
A
O
C
=
O
D
O
B
.
View Solution