A cuboid measures 10×15×30. Find the volume and the area of the surface of revolution of the cuboid about its space diagonal.
(In reply to
Hint? by Jer)
Very helpful!
The origin of the nonlinear concave part (the hyperboloid) is seen well here
(the red guy on the left end in the movie)...
Edited on August 29, 2020, 6:02 am