No two sides of a triangle can ever be parallel.
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Like all other triangles it has no parallel lines.
There cannot be parallel lines in any [plane] triangles.
A triangle can't have.
There are no parallel lines in a triangle.
If you mean "triangle", a triangle can never have two parallel sides.If you mean "triangle", a triangle can never have two parallel sides.If you mean "triangle", a triangle can never have two parallel sides.If you mean "triangle", a triangle can never have two parallel sides.