A challenging and fun perimeter problem that really utilizes critical thinking! Perfect for GATE and advanced students :) Please check out my YouTube Channel "Math Challenge" for the SOLUTION! [Math Challenge #66] How many tiles?PLEASE SUBSCRIBE to my YouTube Channel! It will give me HUGE MOTIVATION to KEEP GOING :) And if you could LEAVE A REVIEW for my problems, you are my new favorite person ;) But seriously, THANK YOU SO MUCH for all that you do everyday in your classrooms! WE ALL ROCK