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| The picture on the left certainly contains the lines in the middle and right. | |||||||||
| From the corresponding tables or graphs we see the two collections of lines generate the whole picture. | |||||||||
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| The picture contains other lines, for example, two pairs of vertical lines: | |||||||||
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| Can we generate the picture with either of these pairs and the pair of slanted lines? Try it first, then click each picture for the answer. | |||||||||
| What about some combination using the diagonal and one or another pair? Try the combinations. |
Return to combinations of lines.