What will be the maximum volume that can be obtained by rotating a right an gled triangle of dimensions 6, 8 and 10 units.
  • a)
    76.8π
  • b)
     32π
  • c)
    96π
  • d)
    128π
Correct answer is option 'D'. Can you explain this answer?

CAT Question

By Gajendra Jain · 2 weeks ago ·CAT
RACHITA SAHOO answered Jul 09, 2019
The maximum volume will be obtained when it is rotated about the smaller side rather than the hypotenuse.
Radius = 8 units and the height = 6 units.
Thus, the volume = (1 / 3) x (π x 64 x 6) = 128π units.
Hence, option 4.

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