Triangles identify a code description that has been revised.
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Any isosceles triangle which is not also an equilateral
triangle. An equilateral triangle would have three.
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A triangle with no equal sides is called a Scalene Triangle.
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A triangle with two lines of symmetry does not exist. It can
have one line of symmetry (an isosceles triangle) or three (an
equilateral triangle), but not two.
