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Byju's Answer
Standard VIII
Mathematics
Rectangle
In the given ...
Question
In the given figure, PQRS is a rectangle and its diagonals PR and QS intersect at O. If
∠
P
O
Q
=
110
o
, find the measure of
∠
P
S
Q
.
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Solution
To find
∠
P
Q
O
and
∠
P
S
Q
.
PQRS is a rectangle, and O is the intersection point of diagonals PR and SQ.
P
R
=
S
Q
[Diagonals of rectangle are equal]
P
O
=
Q
o
[Diagonals of rectangle bisect each other]
∴
∠
P
Q
O
=
∠
O
P
Q
→
(
1
)
[Angles opposite to equal sides]
In
△
P
O
Q
,
∠
P
Q
O
+
∠
P
O
Q
+
∠
O
P
Q
=
180
∘
2
∠
P
Q
O
+
110
∘
=
180
∘
[From (1)]
∠
P
Q
O
=
180
∘
−
110
∘
2
=
35
∘
Now, in
△
P
Q
S
∠
P
Q
S
+
∠
Q
P
S
+
∠
P
S
Q
=
180
∘
35
∘
+
90
∘
+
∠
P
S
Q
=
180
∘
∠
P
S
Q
=
180
∘
−
125
∘
=
55
∘
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Similar questions
Q.
The diagonals PR and QS of the rectangle PQRS intersect at O.
(1) If l (PR) = 5, then l(QS) = ?
(2) l (OQ) and l (OR) = ?