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Mathematics
Mathematics
Problem
In
△
P
Q
R
\triangle PQR
△
P
QR
and
△
S
T
U
\triangle STU
△
S
T
U
, it is given that
P
Q
=
S
T
=
6
cm
PQ = ST = 6\,\text{cm}
P
Q
=
S
T
=
6
cm
,
P
R
=
S
U
=
9
cm
PR = SU = 9\,\text{cm}
P
R
=
S
U
=
9
cm
and
∠
Q
P
R
=
∠
T
S
U
\angle QPR = \angle TSU
∠
QP
R
=
∠
T
S
U
. If
Q
R
=
2
x
+
1
cm
QR = 2x + 1\,\text{cm}
QR
=
2
x
+
1
cm
and
T
U
=
x
+
7
cm
TU = x + 7\,\text{cm}
T
U
=
x
+
7
cm
, find the value of
x
x
x
.
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