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Mathematics
Mathematics
Problem
In
△
P
Q
R
\triangle PQR
△
P
QR
, it is given that
∠
P
=
∠
Q
\angle P = \angle Q
∠
P
=
∠
Q
. Which one of the following must be true? a)
P
Q
=
Q
R
PQ = QR
P
Q
=
QR
b)
P
Q
=
P
R
PQ = PR
P
Q
=
P
R
c)
Q
R
=
P
R
QR = PR
QR
=
P
R
d)
P
Q
=
Q
R
=
P
R
PQ = QR = PR
P
Q
=
QR
=
P
R
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