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Mathematics
Problem
In
△
P
Q
R
\triangle PQR
△
P
QR
, it is given that
P
Q
=
P
R
PQ = PR
P
Q
=
P
R
. Which pair of angles must be equal? a)
∠
Q
P
R
\angle QPR
∠
QP
R
\text{ and }
∠
P
Q
R
\angle PQR
∠
P
QR
b)
∠
P
Q
R
\angle PQR
∠
P
QR
\text{ and }
∠
P
R
Q
\angle PRQ
∠
P
R
Q
c)
∠
Q
P
R
\angle QPR
∠
QP
R
\text{ and }
∠
P
R
Q
\angle PRQ
∠
P
R
Q
d)
∠
Q
R
P
\angle QRP
∠
QR
P
\text{ and }
∠
Q
P
R
\angle QPR
∠
QP
R
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