SOLUTION: Suppose a triangle has sides a, b, and c, and let O be the angle opposite the side length of b. if cosO > 0, what must be true?

Algebra ->  Triangles -> SOLUTION: Suppose a triangle has sides a, b, and c, and let O be the angle opposite the side length of b. if cosO > 0, what must be true?      Log On


   

Question 888432: Suppose a triangle has sides a, b, and c, and let O be the angle opposite the side length of b. if cosO > 0, what must be true?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
That only means that a, b, and c may be part of the triangle's sides. At best, it means that angle O is between 0 and 90 degrees not including 0 or 90. The angle O is acute.