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A comment on Happy Tau Day. Parent comment

Re:Happy Tau Day by nenreme on Tuesday June 28, 2016 @08:35AM (#11993214)
But pi links to diameter, not radius.
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Re:Happy Tau Day by jonsen on Tuesday June 28, 2016 @09:25AM (#11993566)
A slice has two sides. 2*r = d.
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Re:Happy Tau Day by jerf on Tuesday June 28, 2016 @09:54AM (#11993780)
That's wordplay, not mathematical content. You're actually taking students farther from understanding with that.

You really can't overestimate what can block up a student with this stuff.

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