Landscape of Geometry

Season 1 Episode 4

Lines That Don't Cross

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Episode Summary

Lines That Don't Cross
Starting out on a railroad track, David explores parallel lines. He needs to straighten the railroad ties so he can ride them easily. With a geometry book in hand, he reads: "If a line and a point are drawn on a flat plane,...only one line can be drawn so that it never meets the other line." But he also needs to understand corresponding angles and parallelograms to get the two rails precisely the distance apart he wants.moreless

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