Ruby Koan 151 raising exceptions

Question

I\'m going through the ruby koans, I\'m on 151 and I just hit a brick wall.

Here is the koan:

# You need to write the triangle method in the file \'trian         


        

Answer 1

You definately do not update the TriangleError class - I am stuck on 152 myself. I think I need to use the pythag theorem here.

def triangle(a, b, c)
  # WRITE THIS CODE

  if a == 0 || b == 0 || c == 0
    raise TriangleError
  end

  # The sum of two sides should be less than the other side
  if((a+b < c) || (a+c < b) || (b+c < a))
    raise TriangleError
  end
  if a==b && b==c
    return :equilateral
  end
  if (a==b && a!=c) || (a==c && a!=b) || (b==c && b!=a)
    return :isosceles
  end
  if(a!=b && a!=c && b!=c)
    return :scalene
  end


end

# Error class used in part 2.  No need to change this code.
class TriangleError < StandardError
end