Proof: Congruent Triangles 4     
ray TV bisects UTW
ray TV is an altitude in TUW
TUW is isosceles
1. 
1. 
segment TW segment TU
TV = TV
ray TV is an altitude in TUW
TUW is isosceles
ray TV segment UW
UTV WTV
TVU = 90; TVW = 90
ray TV bisects UTW
TUV TWV
TVU = TVW (or TVU TVW)



ProveIt! by Michael Ferraro <mferraro@balstaff.org>.
Copyright ©2019. All rights reserved.