/h/corn
ACApe I/I MVNKE  2yr ago (image post) 753 thread views #140842

Velma got the quadratic equation wrong and conflated the volume of a sphere with the area of a circle

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there's a lot here that I'm trying to figure out if they did on purpose

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I thought the volume of a sphere was pie r cube?

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(4/3) pi r^3

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ohhhh how does that work? the extra 1/3rd I mean?

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I'm guessing you aren't familiar with calculus, so here's Archimedes' way of getting that formula.

https://en.wikipedia.org/wiki/On_the_Sphere_and_Cylinder

![](/images/16741651830825224.webp)

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ah I see thank you

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4/3 🥧 R to the threeth is the solution to the integral

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que?

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The volume of sphere is calculated by performing an integral from the area of one of its 2D planes.

https://math.hmc.edu/calculus/hmc-mathematics-calculus-online-tutorials/single-variable-calculus/volume/

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thanks

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No 4/3 pi * r^3

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thank you

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