I remember watching an old Disney animated movie, that primarily was about math, which I think my dad made me watch to gain interest. Anyway, I'm fairly certain it featured at least Mickey and Donald, and I remember that a few scenes talked about how you could draw a star within another star if you drew it like a pentagram, and they explained the golden ratio where they used a shell to demonstrate the phenomenon. It was also animated in their classic Disney style back in the 60's and 50's. There's not much else that I can remember about it.

closed as off-topic by TGnat, Politank-Z, Mark Olson, ApproachingDarknessFish, RDFozz Mar 19 '18 at 22:54

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I think this might be what you remember:

Donald in Mathmagic Land

enter image description here

Specifically, it goes into things like the Golden Ratio and pentagrams. In fact, From the description in the wiki, it seems like the pentagram was a running theme.

  • Yup, definitely it. – Asking Mar 19 '18 at 20:44
  • 1
    It also had the rather interesting discussion of angles by virtue of showing how you could use the diamonds on the table to determine the exact angle to hit all three bumpers and then sink the ball you planned to hit. youtube.com/watch?v=cdVRvYnqj6w – FuzzyBoots Mar 19 '18 at 21:43
  • I remember the diamonds thing its interesting – riccs_0x Mar 20 '18 at 1:57

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