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In a cylinder radius is doubled …

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In a cylinder radius is doubled & height is halved then the curved surface area is

    • Posted by Sahil Deshpande 8 years, 9 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Shweta Gulati 8 years, 9 months ago

    A cylinder with radius r and height h has CSA = 2{tex} {\pi}{/tex}rh

    In case,  radius is doubled 

    New radius = 2r

    Height is halved,  new height = h\2

    CSA = 2{tex}{\pi}{/tex}(2r)(h\2)

    = 2{tex} { \pi}{/tex}rh

    So, change in CSA is observed! 

    3Thank You

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