Personally, I would not be in a big hurry to take any first step. I would first plan
my approach carefully, based on the information I'm given that describes line-p,
line-r, and any relationship between them and the geometric environment.
Since the question is totally devoid of any of that information, I can neither plan
any approach nor take any step.
If you have two parallel lines, then they have the same slope. If you have another line, in the same plane as the first two lines, and it is not parallel to them, then the angle of intersection with the first line will be the same as the angle of intersection with the second line. If this angle is 90°, then the third line is perpendicular to the first line and also to the second line. For an example, think of a rectangle. Two opposite sides are parallel. Now pick one of the 3rd or 4th sides. Each of these sides is perpendicular to both the first side and the second side.
You pass another line through both of them and measure the angles. If the first two lines form the same angle with the third line, the first two are parallel.
The line that cuts a parallel line is called a TRANSVERSAL. When you have parallel lines and you want to show like corresponding, vertical, ect.... then the line that cut through the parallel lines is a TRANSVERSAL
Line a is parallel to line b, m, and . Find .
A vertical line has an undefined slope. For the line to be parallel to a vertical line, the slopes would have to be the same. Therefore, the line parallel to a vertical line also has an undefined slope.
2
Parallel lines have the same slope. So if you have a line with slope = 2, for example, and another line is parallel to the first line, it will also have slope = 2.
doodoo
If you have two parallel lines, then they have the same slope. If you have another line, in the same plane as the first two lines, and it is not parallel to them, then the angle of intersection with the first line will be the same as the angle of intersection with the second line. If this angle is 90°, then the third line is perpendicular to the first line and also to the second line. For an example, think of a rectangle. Two opposite sides are parallel. Now pick one of the 3rd or 4th sides. Each of these sides is perpendicular to both the first side and the second side.
You pass another line through both of them and measure the angles. If the first two lines form the same angle with the third line, the first two are parallel.
it is the first horizontal line from the net.
[A Parallel line is a straight line, opposite to another, that do not intersect or meet.] Ie. Line 1 is Parallel to Line 2. ------------------------------------------------- <Line 1 ------------------------------------------------- <Line 2
The line that cuts a parallel line is called a TRANSVERSAL. When you have parallel lines and you want to show like corresponding, vertical, ect.... then the line that cut through the parallel lines is a TRANSVERSAL
The locus of points at a given distance to a line would be a line parallel to the first line. Assuming that both lines are straight.
Line a is parallel to line b, m, and . Find .
Do you mean "Why might a parallel line algorithm be needed?" or "What properties does a parallel line algorithm need to have?".
A vertical line has an undefined slope. For the line to be parallel to a vertical line, the slopes would have to be the same. Therefore, the line parallel to a vertical line also has an undefined slope.