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anonymous

  • one year ago

Is two distinct planes that intersect always intersect in a line, is it true or false

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  1. Loser66
    • one year ago
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    true. @itamar

  2. anonymous
    • one year ago
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    true

  3. anonymous
    • one year ago
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    Can you tell me how @Loser66 @MikuxLuka

  4. mathmate
    • one year ago
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    That's actually the definition of a line: the intersection of two planes...if they intersect!

  5. anonymous
    • one year ago
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    Thanks so much @mathmate

  6. anonymous
    • one year ago
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    If two planes intersect, their intersection consists of at least one point. On this point you can draw two lines (A and B) perpendicular two each of the planes, and since the planes are different, the lines are different as well. All points on the line perpendicular to both lines (A and B) will be on a single line (C), and this line, going through the interesection point will lie on both planes.

  7. mathmate
    • one year ago
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    You're welcome! :)

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