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Never, there are no true "opposite sides" on a triangle as each side intersects the other two at a point. Were two of the lines parallel, the triangle would be missing a point and would not be a closed shape.
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∙ 14y ago
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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 a triangle have quadrilaterals with parallel sides?
No, a triangle will never have parallel sides.
What shape has 2 touching sides of the same length and diagonals meet at right angles and opposite sides are not parallel?
triangle
What is a quadrilateral without any parallel sides?
A Trapezium (can have two opposite sides parallel)A kite has no parallel opposite sides
Does an equilateral triangle have one pair of parallel sides?
It is impossible for a triangle to have any 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.
What shapes have opposite angles congruent?
Any polygon with 2n sides (n integer) where opposite sides are parallel, will have its opposite angles congruent.
Does a triangle have quadrilaterals with parallel sides?
No, a triangle will never have parallel sides.
What shape has 2 touching sides of the same length and diagonals meet at right angles and opposite sides are not parallel?
triangle
How many parallel sides does a scalene triangle have?
A triangle has no parallel sides.
Does an isosceles triangle have 2 sets of parallel sides?
No triangle has parallel sides but an isosceles triangle has two equal sides of the same lengths.
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
What is a quadrilateral without any parallel sides?
A Trapezium (can have two opposite sides parallel)A kite has no parallel opposite sides
How many parallel sides does triangle have?
0 Parallel sides
Does an isosceles triangle have any parallel sides?
No it has no parallel sides.
Are rectangle sides parallel?
Its opposite sides are parallel.
