Try to solve this brain teaser in less than a minute. You must guess the diagonal inside of the circle. There is enough information given which allows you to find the length of the diagonal in less than a minute.
My name is Chris and my passion is to teach math. Learning should never be a struggle which is why I make all my videos as simple and fun as possible. I cover all subjects from basic level math through upper level calculus and statistics. I also make brain teaser and Rubik's cube videos for fun.
Here are some of my other brain teasers as well.
Heaven and hell - Brain Teaser
Switch or Stay - Brain Teaser
Don't checkmate - Brain Teaser
Counterfeit coins - Brain Teaser
Bisecting Yin and Yang - Brain Teaser
Two Burning Ropes - Brain Teaser
Channel Page - http://Youtube.com/MathMeeting
Facebook Page - http://facebook.com/MathMeeting
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