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52. From a solid cylinder whose height is 8 cm and radius 6 cm.
a conical cavity of height 8 cm and of base radius 6 cm, is
hollowed out. Find the volume of the remaining solid correct
to two places of decimals. Also find the total surface area of
the remaining solid. (Take ni = 3.1416)
(C.B.S.E. 2009, 2011, 2012)
53. In the adjoining figure, ABC is a right triangle, right angled at A. Find
the area of shaded region if AB = 6 cm, BC = 10 cm and O is the centre
(C.B.S.E. 2009, 2014)
of the incircle of AABC. (Take To = 3.14)
tomore using a glass as shown in the adjoining figure their
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