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Posted by Jannie on Tuesday, October 5, 2010 at 5:34pm.
In a triangle the angles are (x + 9)°, 3x ° and (2x + 3)°. Find the smallest angle.
(x+9) + 3x + (2x+3) = 180 Solve for x, find the degrees of each angle, and make your decision.
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