Proof: Similar Triangles 2     
line AB line DE
DC = 5
EC = 10
AC = 12
BC = 24
1. 
1. 
5 BC = 120
5 / 12 = 10 / BC
ABC ~ DEC
line AB line DE
EC = 10
BC = 24
DC / AC = EC / BC
AC = 12
DC = 5


ProveIt! by Michael Ferraro <mferraro@balstaff.org>.
Copyright ©2010. All rights reserved.