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Math Help - calculus involving perimeter and diameter - any help very appreciated

  1. #1
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    Exclamation calculus involving perimeter and diameter - any help very appreciated

    The diameter of a tree was 25 cm. During the following year the
    circumference increased by 5 cm.
    Using calculus, find

    (a)
    how much the tree’s diameter has changed ?

    (b) what is the corresponding change in the tree’s cross-section area ?
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  2. #2
    Bar0n janvdl's Avatar
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    Quote Originally Posted by fatkat444 View Post
    The diameter of a tree was 25 cm. During the following year the

    circumference increased by 5 cm. Using calculus, find

    (a)
    how much the tree’s diameter has changed ?
    (b) what is the corresponding change in the tree’s cross-section area ?


    You have already asked this here.

    Please do not double post. It is against the rules.


    I believe you said this is due tomorrow... How much time did you have to complete this assignment?
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  3. #3
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    sorry i didn't realise.
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