Proof: Similar Triangles 3     
line PQ line RS
QT = 8
RT = 4
ST = 3
PS = 9
1. 
1. 
P S
PT = 6
QT = 8
PTQ ~ STR
PS = PT + ST
line PQ line RS
PS = 6 + 3; PS = 9
3 / PT = 4 / 8; 3 / PT = 1 / 2
ST / PT = RT / QT
PTQ STR
RT = 4
ST = 3



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