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by nenreme 3647 days ago
But pi links to diameter, not radius.
1 comments
jonsen 3647 days ago
A slice has two sides. 2*r = d.
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jerf 3647 days ago
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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