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Math Help - Convoluted image problem

  1. #1
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    Convoluted image problem

    Our whole course is having a problem with this one , its tricky , for me at least any comment , please share

    Write the area of the figure in the attached file in factored form.
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  2. #2
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    Quote Originally Posted by AlgebraicallyChallenged View Post
    Our whole course is having a problem with this one , its tricky , for me at least any comment , please share

    Write the area of the figure in the attached file in factored form.
    Cut off the semi-circular ends and join them along the cut. Now you have a square of side 2r and a circle of radius r.

    Hence the area of the firgue is equal to the sum of the areas of a square of side 2r and a circle of radius r. Write this out, take out the common factor and you are done.

    .
    Attached Thumbnails Attached Thumbnails Convoluted image problem-gash.jpg  
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  3. #3
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    Hellow, first u huv 2 brin' da area af da square which is
    S*S=4r^2 unit^2
    plus da area of da identical semi circles
    pi*redias^2
    =pi*r^2
    =3.14r^2
    da area of all is: area of square + area of both circles
    =3.14r^2+4r^2
    =7.14r^2 unit^2

    I think dat ez da answer!!!!!!!!!
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