Evaluating Volume of Curved Wedge Cut from Cylinder

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SUMMARY

The discussion focuses on calculating the volume of a curved wedge cut from a cylinder with a radius of 3 meters, defined by two intersecting planes. One plane is perpendicular to the cylinder's axis, while the other intersects at a 45-degree angle at the cylinder's center. The participants clarify that the problem involves determining the volume enclosed by the cylinder and the two planes, leading to the conclusion that the volume can be expressed as 9/8 * π * length, assuming the wedge resembles a sector.

PREREQUISITES
  • Understanding of solid geometry concepts, particularly volumes of solids.
  • Familiarity with the equations of cylinders and planes in three-dimensional space.
  • Knowledge of trigonometric principles, specifically angles and their impact on geometric shapes.
  • Ability to visualize and sketch geometric figures to aid in problem-solving.
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  • Research the formula for the volume of a cylinder and how it applies to sections cut by planes.
  • Learn about the geometric properties of sectors and how they relate to three-dimensional shapes.
  • Explore methods for visualizing three-dimensional geometric problems, including sketching techniques.
  • Investigate the application of calculus in finding volumes of solids defined by complex boundaries.
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PhilthyPhil
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Trying to do this question: 'Evaluate the volume of the following solids... A curved wedge that is cut from a cylinder of radius 3m by two planes. One plane is perpendicular to the axis of the cylinder. The other plane crosses the first plane at 45 degree angle at the centre of the cylinder.'

My problem is that I am not sure what the question is asking... does it just mean a sector? In which case it would just be 9/8*Pi*length or is it something else?
 
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I think it's the volume enclosed by the cylinder and the two planes. There are two encosed volumes, but they have equal shapes.

I'd take the cylinder [itex]x^2+y^2=r^2[/itex] and the xy-plane. You pick the other plane. And draw a picture ofcourse.
 

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