Answer:-
A triangle cannot have any parallel sides. By definition, a triangle is a closed shape with three sides and three angles, and for two sides to be parallel, they must never meet. However, all three sides of a triangle eventually intersect at the vertices, meaning no two sides can ever be parallel. Parallel sides are found in quadrilaterals like rectangles, parallelograms, and trapezoids, but not in triangles. No matter the type—whether equilateral, isosceles, or scalene—a triangle will always have zero parallel sides because all its sides connect to form a closed three-sided figure.
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