(a) The diagram represents a solid frustum with base radius of 35cm and top radius of 21cm.The frustum is 22.5cm high and is made of...

      

(a) The diagram represents a solid frustum with base radius of 35cm and top radius of 21cm.The frustum is 22.5cm high and is made of a metal whose density is 4g/cm³.
Taking pi = 22/7, calculate
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(i) The volume of the metal that makes the frustum.
(ii) The mass of the frustum.
(b) The frustum is melted in down and recast into a solid cube in the process 20% of the metal is lost. Calculate to 2d.p the length of each side of the cube.

  

Answers


sharon
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sharon kalunda answered the question on August 9, 2019 at 07:05


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