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Mathematics
Mathematics
Problem
In
△
P
Q
R
\triangle PQR
△
P
QR
,
P
Q
=
P
R
PQ = PR
P
Q
=
P
R
. Point
S
S
S
is taken on
Q
R
QR
QR
so that
Q
S
=
S
R
QS = SR
QS
=
S
R
. If
∠
P
Q
S
=
32
∘
\angle PQS = 32^{\circ}
∠
P
QS
=
3
2
∘
, find the measure of
∠
P
R
S
\angle PRS
∠
P
R
S
.
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