We drew four straight lines, each two of which intersect, and two straight lines pass through
| July 28, 2021 | education
We drew four straight lines, each two of which intersect, and two straight lines pass through each intersection point. How many intersection points were formed?
1. From four straight lines, six pairs can be made:
I and II, I and III, I and IV, II and III, II and IV, III and IV.
2. Since two lines pass through each point of intersection, all pairs of lines intersect at different points. Therefore, there will be 6 such intersection points.
Answer: 6.
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