"@khanacademy Every triangle is a right triangle in this object. So what is x? http://bit.ly/1orEoKi pic.twitter.com/UhmwgEIGPE" sqrt(8)
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"@khanacademy Every triangle is a right triangle in this object. So what is x? http://bit.ly/1orEoKi pic.twitter.com/UhmwgEIGPE" sqrt(8)
@EmiryAnfrony @khanacademy Better-ish question: ratio of the area over the perimeter?
@khanacademy @GenXMedia This is a great site.
@HeatherF_125 Our @GenXMedia group loves @khanacademy too :)
@ASKhan99 @khanacademy @MrOBrien314 ...2*sqrt(2). Not really a challenge.
@khanacademy sqrt(8)
@khanacademy 2rt2 :-)
@khanacademy 2 * sqrt(2) ?
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