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The circumference of the base of …

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The circumference of the base of a cylinder is 22 CM if it is 7 cm then find its curved surface area

    • Posted by Jitendra Sharma 4 years, 8 months ago

    CBSE > Class 09 > Mathematics
    • 2 answers

    Dj Jd 4 years, 8 months ago

    77 cm

    0Thank You

    Yogita Ingle 4 years, 8 months ago

    Circumference of base of cylinder = 22 cm

    Height of cylinder = 7 cm

    So,

    Circumference=2 πr = 22 Given

    r= 22/2 π= 22(7)/2 (22) = 7/2 = 3.5

    Radius of cylinder = 3.5 cm

    ∴ Curved surface area of cylinder = 2  π rh = 2× 22/7 ×  3.5 ×  7= 2 ×  22/7 ×  3.5 ×  7 = 44 ×  3.5 =  154 cm2

    2Thank You

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