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January 25, 2015

January 25, 2015

Posted by **Jill** on Tuesday, March 23, 2010 at 8:25am.

......III

.....IIII

.7..IIIII

...IIIIII..3

..IIIIIII

_IIIIIIII<--90 degrees

Find this angle

- Trig -
**drwls**, Tuesday, March 23, 2010 at 10:58amUse the Pythagorean theorem.

c^2 = a^2 + b^2

b^2 = 49 - 9 = 40

b = ?

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