The total surface area of a cylinder is 8448 Sq cm. If the radius of its base is 28 cm , what is its height ? answer in detail
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formula of Total surface area of cylinder=2πr(h+r)
so, 2πr(h+r) = 8448
given radius=28cm
so putting values in the above formula,
2*22/7*28(h+28)=8448
176(h+28)=8448
(h+28)=8448/176
h+28=48
h=48-28=20
therefore,Height of cylinder is 20cm
Hope this is helpful to you
so, 2πr(h+r) = 8448
given radius=28cm
so putting values in the above formula,
2*22/7*28(h+28)=8448
176(h+28)=8448
(h+28)=8448/176
h+28=48
h=48-28=20
therefore,Height of cylinder is 20cm
Hope this is helpful to you
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