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Mathematics
Mathematics
Problem
In
△
P
Q
R
\triangle PQR
△
P
QR
, side
Q
R
QR
QR
is produced to point
S
S
S
. If
∠
P
Q
S
=
118
∘
\angle PQS = 118^{\circ}
∠
P
QS
=
11
8
∘
and
∠
P
R
Q
=
46
∘
\angle PRQ = 46^{\circ}
∠
P
R
Q
=
4
6
∘
, find the measure of
∠
Q
P
R
\angle QPR
∠
QP
R
.
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