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How do you find the slope of a line that is parallel to another line?
Slopes of parallel lines are all the same.If they are parallel, their formulae of the form "y = mx + b" will only differ in the b. The m will be constant.
Do all lines have a slope?
Although all lines have the relationship that defines slope, one can argue that not all lines do have one. The exception would be vertical lines. Slope is defined as the vertical rate of change divided by the horizontal rate of change. In the case of a vertical line, there is no horizontal rate of change, and calculating slope would cause division by zero. The closest you could come to expressing the slope of a vertical line would be ∞
Are all trapezoids rhombuses?
No, a trapezoid has only 1 pair of parallel lines exactly. In a rhombus, all lines are parallel and congruent.
Are parallel lines the same length?
In geometry, lines are of infinite length. So, yes, parallel lines have the same length. They are completely 'G' rated at all times. They never touch.
Does a triangle have a set of parallel lines?
No. it is the only polygon that can not have parallel lines all though any regular polygon with an odd number of lines will have no parallel lines If three points were in a straight line it could be argued that these formed a triangle with parallel sides, though really it would be just a line; or if we had a triangle with infinite height the sides would be parallel. In any other case, no.
