What will be the base radius of the cone? If

A hollow spherical shell has internal and external surface areas 64π cm² and 144π cm² respectively. It is melted and formed into a solid cone of height 38 cm. The base radius (in cm) of the cone is

  1. 4
  2. 5
  3. 6
  4. 2
Monis Rasool Professor Asked on 14th November 2015 in Maths.
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1 Answer(s)

Answer:  (1) 4

Anurag Mishra Professor Answered on 18th November 2015.
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