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Math Help - Frustum of Sphere

  1. #1
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    Frustum of Sphere

    pls help me out of this problem....what should be the answer of this following Question:

    A frustum of sphere is made by cutting two parallel planes of any sphere. if the radius of sphere is 5 cm & distance between the plane is 1 cm, then what will be the curved surface of frustum when the distance of first plane from centre of the sphere is 2 cm

    Answers are :

    here pie = greek aplhabet pie...3.14

    (a) 5pie cm^2 (b) 10pie cm^2 (c) 15pie cm^2 (d) 40pie cm^2


    pls help me for this problem..if possible...thanks in advance...
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  2. #2
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    Quote Originally Posted by firefoxx View Post
    pls help me out of this problem....what should be the answer of this following Question:

    A frustum of sphere is made by cutting two parallel planes of any sphere. if the radius of sphere is 5 cm & distance between the plane is 1 cm, then what will be the curved surface of frustum when the distance of first plane from centre of the sphere is 2 cm

    Answers are :

    here pie = greek aplhabet pie...3.14

    (a) 5pie cm^2 (b) 10pie cm^2 (c) 15pie cm^2 (d) 40pie cm^2


    pls help me for this problem..if possible...thanks in advance...
    Well, I could tell you the answer, but perhaps you should indicate what
    you have done or what the problem you have with this?

    Also you could try estimating the area

    RonL
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