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How many intersecting points occur when 4 parallel lines are perpendicular to 5 other lines?
There are 20 common points.
How many pairs of vertical angles are formed by 5 coplanar lines intersecting at one point?
20....or maybe 18
3 ways that 2 lines can be related?
Here are some: They can be (1) coincident, (2) intersecting at one point, (3) coplanar but non-intersecting (ie parallel), (4) non-coplanar, non-parallel and non-intersecting (eg paths of a rail line and of an elevated road going over it - from above, they may appear to intersect but they do not), (5) intersecting at two points (eg longitudes on the earth). etc.
What is intersecting sets?
when a pair of angles/numbers have 1 of the same numbers (for example: 4,3,5,6 and 1,2,3,5,4 have intersecting numbers (4,3, and 5) and also points (4,5) and (4,6) Haver them too (because 4 stands for the 'x' the if you were to plot that on a graph, the points would intersct one another)
What is the greatest number of intersection points possible with just 4 lines?
The greatest number of intersection points with just four lines is 6.
