Fan and Medal

Triangle PQR ~ triangle PꞌQꞌRꞌ.

What is the value of j?

http://static.k12.com/calms_media/media/1574000_1574500/1574340/1/36fae737bf16234d0d0ddff4d95084eeaff6df52/MS_IMC-141231-111312.jpg

Question

Fan and Medal 

Triangle PQR ~ triangle PꞌQꞌRꞌ.
 
What is the value of j?

http://static.k12.com/calms_media/media/1574000_1574500/1574340/1/36fae737bf16234d0d0ddff4d95084eeaff6df52/MS_IMC-141231-111312.jpg

anonymous · Answer

J = 9 :) would you like an explanation as well?

anonymous · Answer

yes please

anonymous · Answer

ok well you would set up the equation |dw:1432664438623:dw|

anonymous · Answer

and you would cross multiply so it would be 18 = 2j

anonymous · Answer

then divide 18 by 2 and you get 9 :)

anonymous · Answer

Did you learn about that method yet?

anonymous · Answer

Thanks and im not sure i forgot half the stuff they teach from the beginning

anonymous · Answer

ok lol well tag me if u need anymore help :)