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Byju's Answer
Standard IX
Mathematics
Theorem of Equal Chords Subtending Angles at the Center
ABCD is a qua...
Question
A
B
C
D
is a quadrilateral.
A
M
and
C
N
are perpendiculars to
B
D
,
A
M
=
C
N
and diagonals
A
C
and
B
D
intersect at
O
,
then which one of the following is correct
?
A
A
O
=
O
C
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B
B
O
=
O
D
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C
A
O
=
B
O
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D
C
O
=
D
O
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Solution
The correct option is
A
A
O
=
O
C
In
△
A
M
O
and
△
C
N
O
A
M
=
C
N
(Given)
∠
A
M
O
=
∠
C
N
O
=
90
∘
∠
A
O
M
=
∠
C
O
N
(vert. opp.
∠
s)
∴
△
A
M
O
≅
△
C
N
O
(AAS)
⇒
A
O
=
O
C
(cpct)
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0
Similar questions
Q.
State true or false:
In quadrilateral ABCD, the diagonals AC and BD intersect each at point O. If
A
O
=
2
C
O
and
B
O
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×
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.
Q.
In the adjoining figure,
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.
Q.
In quadrilateral ABCD, the diagonals AC and BD intersect each at point O. If
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O
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C
O
and
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O
=
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BD is one of the diagonals of a quadrilateral ABCD. AM and CN are the perpendiculars from A and C, respectively, on BD. Show that
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If the diagonals AC and BD of a quadrilateral ABCD intersect at O such that AO. OD
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