jayceerocks4421 jayceerocks4421
  • 25-05-2023
  • Mathematics
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Consider the segment L of the line y = ha from the origin to the point (r, h). By using the integral for surface area, show that the area of the cone formed when L is rotated about the y-axis is given by rs, where s is the slant height of the cone, which is to say s is the length of L.

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