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(iv) Volume of cylinder=Tr-h=volume of cylinder=arth= area of the basex height= 616 x 21 = 12936 cm?d. Find the volume and surface area of a sphere of radius 2.1cm (Tsample-f. Find t)don: Radius of sphere(r) = 2.1 cmSolution :surface area of sphere = 47222 21 21224 x 2==x (2.1)² = 4xx.7 10co(2.1) -1071386 = 55.44 cmon *** |
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