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Mathematics
Mathematics
Problem
Δ
P
Q
R
\Delta PQR
Δ
P
QR
and
Δ
S
T
U
\Delta STU
Δ
S
T
U
are similar. If
P
Q
=
4
cm
PQ = 4\,\text{cm}
P
Q
=
4
cm
,
S
T
=
6
cm
ST = 6\,\text{cm}
S
T
=
6
cm
and the area of
Δ
P
Q
R
\Delta PQR
Δ
P
QR
is
40
cm
2
40\,\text{cm}^2
40
cm
2
, find the area of
Δ
S
T
U
\Delta STU
Δ
S
T
U
.
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