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April 20, 2014

April 20, 2014

Posted by **Lisha** on Tuesday, May 14, 2013 at 4:38am.

- Maths -
**Reiny**, Tuesday, May 14, 2013 at 9:15amπ/6 = 30°

2π/3 = 120°

leaving 180 -120 - 30 or 30° for the third angle

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