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Math Help - Area of Sphere.

  1. #1
    Junior Member whytechocolate01's Avatar
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    Area of Sphere.

    Please check if this is correct. If not please explain why it is incorrect and what the true answer is. How did you get that answer? Thank you so much!
    Attached Thumbnails Attached Thumbnails Area of Sphere.-geometry.jpg  
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    (4/3)*pi*(3)^3 = (4/3)*pi*27 = (36)*pi

    Because (4/3)*27 = (4/3)*(27/1) = 4*9=36
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    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by whytechocolate01 View Post
    Please check if this is correct. If not please explain why it is incorrect and what the true answer is. How did you get that answer? Thank you so much!
    for a sphere:

    V = (4/3)pi*r^3
    => V = (4/3)pi*(3)^3
    => V = (4/3)*pi*27
    => V = 36pi
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