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Find the curved surface area and total surface area of a right circular cylinder whose height is 15cm and the radius of the base is 7cm. `(T a k e\ pi=(22)/7)`

Text Solution

Verified by Experts

Radius of cylinder `r=7cm`
Height of cylinder `h=15 cm`
Curved Surface Area`=2pirh`
`=2×(22/7)×7×15`
`=660cm^2`
Total Surface Area`=2pir(h+r)`
`=2times(22/7)times7(15+7)`
`=2times22times22`
`=968cm^2`
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Knowledge Check

  • The total surface area of a right circular cylinder whose height is 15 cm and the radius of the base is 7 cm, is

    A
    968 `cm^2`
    B
    2310 `cm^2`
    C
    488 `cm^2`
    D
    1860 `cm^2`

  • The total surface area of a right circular cylinder whose height is 15 cm and the radius of the base is 7 cm, is

    A
    `968 cm^(2)`
    B
    `2310 cm^(2)`
    C
    `488 cm^(2)`
    D
    `1860 cm^(2)`

  • What will be the curved surface area of a right circular cylinder having length 160 cm and radius of the base is 7 cm?

    A
    6020 sq cm
    B
    5052 sq cm
    C
    7045 sq cm
    D
    7040 sq cm

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