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



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