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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
=
∠
S
\angle P = \angle S
∠
P
=
∠
S
and
∠
Q
=
∠
T
\angle Q = \angle T
∠
Q
=
∠
T
. Are the two triangles similar? Give a reason and name the similarity criterion used.
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