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Mathematics
Mathematics
Problem
In
△
X
Y
Z
\triangle XYZ
△
X
Y
Z
,
∠
Y
=
∠
Z
\angle Y = \angle Z
∠
Y
=
∠
Z
. Prove that
X
Y
=
X
Z
XY = XZ
X
Y
=
X
Z
.
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