Basically, nothing. Or, you might say that in both cases, they differ by a very specific angle (in one case, 0 degrees; in the other case, 90 degrees).
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A rhombus is perpendicular * * * * * No, it is not. A rhombus is a four sided plane figure which has two pairs of parallel sides. It is, therefore, a parallelogram. The only thing that is perpendicular in a rhombus is that its diagonals bisect one another at right angles.
because they merge at the poles... they seem to be parallel near the equtor region..n remenber parallel lines nver meet each other... n due to the shape of our earth these lines merge at poles...
i have no idea im wondering the same thing.
Never! Coplanar means that the two lines lie in the same two-dimensional plane. The only way that two lines do not intersect in two-dimensional space is if they are parallel. And by definition, skew lines are not allowed to be parallel, either.So essentially there is no such thing as skew lines that only occupy two dimensions. Skew lines must be in three dimensions or higher in order to (1) not intersect and (2) not be parallel with each other.
A triangle with a right angle in it is the only case in which a triangle can have perpendicular lines. Triangles themselves cannot be perpendictular unless you are referring to one of the sides being perpendicular to a certain line.