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If at least two of the three lines are parallel, the three lines will not form a triangle.

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12y ago

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Related Questions

What is a counterexample for three coplainar lines always make a triangle?

A counterexample to the statement that three coplanar lines always form a triangle is when all three lines are parallel. In this case, the lines do not intersect at any point, and therefore, they cannot form a triangle. Another example is when two lines are coincident (overlapping) and the third line intersects one of them but does not intersect the other, failing to create a triangle.


Are any two lines always coplanar?

No, not always. Skew lines are never coplanar, but parallel lines are.


Are parallel lines in space coplanar sometimes?

Parallel lines in Euclidean space are always coplanar.


Is two lines that are transversal always never or sometimes coplanar?

They are always coplanar in Euclidean geometry.


Are parallel lines same as coplanar?

Parallel lines are a specific type of coplanar lines that never intersect and are always the same distance apart. While all parallel lines are coplanar, not all coplanar lines are parallel; coplanar lines can also intersect at some point. Therefore, while the two concepts are related, they are not synonymous.


Are two parallel lines always coplanar?

Yes.


Do coplanar lines always intersect?

No. They could be parallel.


Are two parralel lines always coplanar?

Yes.


Are two parallel lines never coplaner?

Parallel lines are ALWAYS coplanar.


Are parallel lines always sometimes never coplanar?

They are ALWAYS coplanar! This is because the definition says so! You have to read it first, in order to get the answer!


What are lines that lie in the same plane?

They are coplanar. ANY 2 lines would be coplanar, however a third line can be outside of the plane. just like 3 points will designate a plane and a triangle


What is non-coplanar lines?

What is non-coplanar lines?