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Math Photo: Cylindrical Perspective

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I like the apparent nesting of concentric circles that appears when looking down a long cylindrical pipe.  I wonder if it’s possible to find the angle between my sight-line and the central axis of the cylinder by comparing the centers of the various circles?

 

4 Comments

  1. Can one estimate the length of the pipe or the ratio of length to diameter from measurements on the photo?

  2. Heather Berry says:

    cool question. By the way, it looks like the clapper inside a handbell. i love handbells.

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