Question
Asked Jan 21, 2020
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The lateral (side) surface area of a cone of height h and base radius r should be pai rsqrt(r2 + h2), the semiperimeter of the base times the slant height. Show that this is still the case by finding the area of the surface generated by revolving the line segment y = (r/h) x, 0<=x<= h, about the x-axis.

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Expert Answer

Step 1

Obtain the lateral surfac...

Calculus homework question answer, step 1, image 1
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