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Mathematics
Mathematics
Problem
In
△
X
Y
Z
\triangle XYZ
△
X
Y
Z
, if
∠
X
=
∠
Y
\angle X = \angle Y
∠
X
=
∠
Y
, which of the following is always correct? a)
X
Y
=
Y
Z
XY = YZ
X
Y
=
Y
Z
b)
X
Y
=
Z
X
XY = ZX
X
Y
=
Z
X
c)
Y
Z
=
Z
X
YZ = ZX
Y
Z
=
Z
X
d)
X
Y
=
Y
Z
=
Z
X
XY = YZ = ZX
X
Y
=
Y
Z
=
Z
X
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