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47. A wooden article was made by scooping out a hemisphere from each end of a solid cylinder. If
the height of the cylinder i

By Serenity

47. A wooden article was made by scooping out a hemisphere from each end of a solid cylinder. If
the height of the cylinder is 20 cm and radius of the base is 3.5 cm, find the total surface area
of the article.ous’
(C.B.S.E. 2008C, 2011C)
of a right circular
enougat last​

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1 thought on “47. A wooden article was made by scooping out a hemisphere from each end of a solid cylinder. If<br />the height of the cylinder i”

  1. We have
    Height of cylinder= 10cm
    radius of base= 3.5cm

    Total surface area of the article =Curved surface area of the cylinder +2 surface area of hemisphere
    =2πrh+2(2πr)
    =2πr(h+2r) =2×22/7×3.5(10+2×3.5)cm^2
    =374cm^2
    Hope it helps 🙂

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