Question
The volume of a solid cone is 96 π cm³ and its height
is 8cm. What is its total surface area (in cm²)?Solution
Height=8cm volume of a solid cone=96 π cm³ 
r2 =96×3)/8 =288/8=36 r =6cm. now  
total surface area of cone = πr (r+L) =6 (6+10)π =96 π.
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