Proof: Congruent Triangles 3     
WXYZ
XY = 10
ZW = 10
1. 
1. 
ZYW XWY
ZW = 10
YZW WXY
YX ZW
WXYZ
XY = ZW
XYW ZWY
line WY line WY
YZ XW
XY = 10



ProveIt! by Michael Ferraro <mferraro@balstaff.org>.
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