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Byju's Answer
Standard VII
Mathematics
Vertical Angles
How many pair...
Question
How many pairs of adjacent angles are formed when two lines intersect at a point?
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Solution
Let two lines
A
B
and
C
D
intresect at point
O
.
The pair of adjacent angles are:
(
∠
A
O
D
,
∠
D
O
B
)
,
(
∠
B
O
C
,
∠
C
O
A
)
,
(
∠
C
O
A
,
∠
A
O
D
)
and
(
∠
D
O
B
,
∠
B
O
C
)
Hence ,
4
pairs of adjacent angle are formed when two lines intersect at a point.
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How many pairs of adjacent angle are formed when two lines intersect in a point?