This SAT Math question got no correct submissions
mindyourdecisions.com
This SAT Math question got no correct submissions
1–5 of 5 posts
Re: This SAT Math question got no correct submissions
#2[deleted]
Re: This SAT Math question got no correct submissions
#3This is a corollary of the coin paradox: http://mathworld.wolfram.com/CoinParadox.html
Re: This SAT Math question got no correct submissions
#4This is a corollary of the coin paradox : http://mathworld.wolfram.com/CoinParadox.html
The animation shows 1 revolution for 1 rotation, but the text says its 2.
That is very confusing.
Re: This SAT Math question got no correct submissions
#5This is a corollary of the coin paradox : http://mathworld.wolfram.com/CoinParadox.html
The animation shows 1 revolution for 1 rotation, but the text says its 2. That is very confusing.
I was also confused by that until I changed my perspective. Watch the marker inside the circle.
It starts pointing left. Half way around the inner coin it's pointing left again. At the end it's pointing left once more.
That requires two rotations. The curve its graphing confuses things.