Calculate the volume of the solid under

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SUMMARY

The discussion focuses on calculating the volume of the solid defined by the equation z = sqrt(9 - x^2 - y^2) over the circular disk constrained by x^2 + y^2 ≤ 9. The solid represents the upper hemisphere of a sphere with a radius of 3. Participants highlight the relationship between the disk and the sphere, emphasizing that the disk lies perfectly within the sphere, allowing for straightforward volume calculation using geometric principles.

PREREQUISITES
  • Understanding of basic geometry concepts, specifically spheres and circular disks.
  • Familiarity with the equation of a sphere and its geometric representation.
  • Knowledge of volume calculation methods for three-dimensional shapes.
  • Proficiency in using integrals for volume calculations in calculus.
NEXT STEPS
  • Study the formula for the volume of a sphere and its derivation.
  • Learn about double integrals for calculating volumes under surfaces.
  • Explore the concept of polar coordinates for simplifying volume calculations in circular regions.
  • Investigate the relationship between cross-sections and volume in three-dimensional geometry.
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Students and educators in mathematics, particularly those studying calculus and geometry, as well as professionals involved in fields requiring spatial analysis and volume calculations.

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Using geometry, calculate the volume of the solid under z = sqrt(9- x^2-y^2) and over the circular disk x^2 + y^2 <= (greater than or equal to sign) 9

how extactly would i do this? i have no clue and don't know where to start
 
Physics news on Phys.org
Can you calculate the volume of a sphere?
 
Do you notice that the radius of the given sphere and disk are the same? What does that tell you about the position of the disk in the sphere?
 

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