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Mathematics
Problem
Which congruence criterion justifies that
△
P
Q
R
\triangle PQR
△
P
QR
is congruent to
△
X
Y
Z
\triangle XYZ
△
X
Y
Z
when
P
Q
=
X
Y
PQ = XY
P
Q
=
X
Y
,
Q
R
=
Y
Z
QR = YZ
QR
=
Y
Z
and
∠
Q
=
∠
Y
\angle Q = \angle Y
∠
Q
=
∠
Y
? a)
S
S
A
SSA
S
S
A
b)
A
S
A
ASA
A
S
A
c)
S
A
S
SAS
S
A
S
d)
S
S
S
SSS
S
S
S
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