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Maximum 12 intersections are there! You can simply use the formula:
No. of intersections = n(n-1)/2 [where 'n' is the number of lines]
This is derived as each new line can intersect (at most) all the previously drawn lines. There if there is:
1 line => 0 intersections
2 lines => 1 intersection
3 lines => 3 intersections [1 that was there + 2 by the new line can intersect both the previous lines.]
4 lines => 6 intersections [3 that were already there + 3 because the new line can intersect all the 3 lines that were present previously.]
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What is the name of a line that intersects a line?
It is a transversal line that intersects other lines.
How can you add 5 lines to 4 lines to get 10 without counting any line that intersects another line twice?
the four lines you are adding five line to are vertical.
What is a line that intersects two parallel lines?
a transversal line If a transversal intersects two parallel lines, then the alternate interior angles are congruent.
What are two intersecting lines and a third line that intersects both lines?
a triangle
If a line intersects one of two parallel lines does it intersects the other?
Yes, it does. And it makes equal angles with both of them.(We're talking about straight lines, in a plane.)
