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Byju's Answer
Standard IX
Mathematics
Postulate5
PQR is a tria...
Question
PQR is a triangle in which \angle Q = 2\angle R. If a line PS is drawn from vertex P such that it bisects \angle QPR and cuts QR at S such that PQ = RS, then what is the value of \angle QPR + \angle QRP?
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Q.
If
E
is a point on side
Q
R
of
Δ
P
Q
R
such that
P
E
bisects
∠
Q
P
R
, then :
Q.
Construct a cyclic quadrilateral PQRS such that PQ
=
5.5
cm, QR
=
4.5
cm,
∠
QPR
=
45
o
and PS
=
3
cm.
Q.
Construct a triangle PQR, given that PQ = 5 cm and
∠
Q
P
R
=
60
∘
and
∠
Q
R
P
=
45
∘
.
Q.
In the figure below,
∠
Q
>
∠
R
and
M
is a point on
Q
R
such that
P
M
is the bisector of
∠
Q
P
R
If the perpendicular from
P
on
Q
R
meets
Q
R
at
N
then prove that
∠
M
P
N
=
1
2
(
∠
Q
−
∠
R
)
Q.
In fig. PR > PQ and PS bisects
∠
Q
P
R
.Prove that
∠
P
S
R
. >
∠
P
S
Q
.
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