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



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