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November 28, 2014

November 28, 2014

Posted by **Karen** on Monday, April 15, 2013 at 9:45am.

- Geometry Part 2 -
**Steve**, Monday, April 15, 2013 at 10:49amif ABC is a right triangle (B = 90°),

7^2 + 10^2 = 15^2

but 149 < 225, so B < 90° and ABC is acute

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