Can I find the volume of a spherical section without calculus?

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Discussion Overview

The discussion centers around finding the volume of a bowl-shaped section of a sphere, specifically exploring methods to calculate this volume without using calculus. Participants consider various approaches, including geometric relationships and integration.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant suggests using the volume of a cone with equal height and radius as a way to approximate the volume of the spherical section.
  • Another participant proposes finding the volume of the sector of the sphere that includes the bowl and subtracting the volume of a cone whose vertex is at the center of the cone and whose base is the flat top of the bowl.
  • A different participant expresses concern that the equation for the sector of a sphere is derived using calculus and questions if there is a way to find the equation for the spherical cap without it.
  • Another participant acknowledges the potential difficulty of finding the volume without calculus but emphasizes that using the sector and cone approach may be simpler than direct integration.

Areas of Agreement / Disagreement

Participants do not reach a consensus on whether it is possible to find the volume of the spherical section without calculus. Multiple competing views and methods are presented, and the discussion remains unresolved.

Contextual Notes

Some limitations include the dependence on geometric definitions and the unresolved nature of deriving a formula without calculus. The discussion does not clarify the assumptions necessary for the proposed methods.

Moose352
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How do I find the volume of a bowl shaped section of a sphere, given the depth of the section. I know i can integrate it, but a friend says that i can find the volume of a cone with equal height and radius, and then use that to find the volume of the spherical section.
 
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Find the volume of the sector of the sphere that includes the bowl and subtract from it that volume of a cone whose vertex is at the center of the cone and whose base is the (flat) top of the bowl.
 
Thanks Tide, but the equation for the sector of a sphere is derived using calculus. Is there any way to find the equation for the spherical cap without calculus? And by calculus, i mean integration.
 
I don't know if there is a way to do it without calculus but I think the point is that it is a lot easier to find the desired volume using the sector and cone approach than it is to integrate directly. If someone is clever enough to get it without calculus I'd love to see it!
 

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