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



ProveIt! by Michael Ferraro <mferraro@balstaff.org>.
Copyright ©2021. All rights reserved.