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September 17, 2014

September 17, 2014

Posted by **Gregory** on Tuesday, November 22, 2011 at 11:15am.

- Trig/Math -
**Henry**, Thursday, November 24, 2011 at 12:17pmt + r > s,

8.71 + r > 21.3,

r > 21.3 - 8.71,

r > 12.6.

Therefore, R is the larger acute angle.

cosR = t/s = 8.7 / 21.3 = 0.40845,

R = 65.9 Deg.

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