Created
January 9, 2012 04:37
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| def triangle(a, b, c) | |
| raise TriangleError unless valid_triangle?(a,b,c) | |
| [:equilateral, :isosceles, :scalene][[a,b,c].uniq.size - 1] | |
| end | |
| def valid_triangle?(a,b,c) | |
| ax,bx,cx = [a,b,c].sort | |
| ax + bx > cx | |
| end |
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