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Math Help - Find total surface area of cone...

  1. #1
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    Find total surface area of cone...



    Question: find the total surface area of the ice cream cone (include external and internal surfaces.) Take pi = 22/7

    My solution: Basically what I did was to find slant height of both the internal and external cone and then evaluating it, find curved surface area for both internal and external + the circular area of the ice cream cone
    Answer = 113.2cm (Round off 1 decimal place)

    Is my answer right?

    Thanks
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  2. #2
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    Re: Find total surface area of cone...

    I got the same answer.
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  3. #3
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    Re: Find total surface area of cone...

    Quote Originally Posted by emakarov View Post
    I got the same answer.
    Thanks !
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