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For two sides to be parallel they must not meet at a point (vertex).
A triangle has only 3 sides.
Let the vertices of a triangle be ABC; then the 3 sides of the triangle are AB, AC and BC.
The sides AB and AC meet at vertex A, so they cannot be parallel.
The sides AB and BC meet at vertex B, so they cannot be parallel.
So Side AB is not parallel to AC (meets at vertex A) and not parallel to BC (meets at vertex B).
The only possibility left is that side BC is parallel to side AC.
But the sides BC and AC meet at vertex C so they cannot be parallel.
Thus none of the sides of a triangle can be parallel.
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Two sides of a triangle are parallel?
No, Because the lines in a triangle meet, so they cant be parallel because parallel lines never meet.
Does a triangle have quadrilaterals with parallel sides?
No, a triangle will never have parallel sides.
Are all teiangles have opposite sides that are parallel?
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.
Does an equilateral triangle have one pair of parallel sides?
It is impossible for a triangle to have any parallel sides. ■
How many parallel does a isosceles triangle have?
An isosceles triangle has no parallel sides but it does have two equal sides
