25 lines
411 B
Ruby
25 lines
411 B
Ruby
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# Triangle class
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class Triangle
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def initialize(sides)
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@sides = sides.sort
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end
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def equilateral?
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@sides.uniq.length == 1 && triangle_equality?
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end
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def isosceles?
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@sides.uniq.length < 3 && triangle_equality?
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end
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def scalene?
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@sides.uniq.length == 3 && triangle_equality?
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end
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private
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def triangle_equality?
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@sides.min > 0 && @sides[0] + @sides[1] >= @sides[2]
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end
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end
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