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3. The volume of the right circular cone is 9856 cu.cm. If the diameter of the base is28cm. Find the height of the cone? |
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Answer» :-The Height of the Cone .GIVEN :-Volume of the Cone = 9856 cm³.Diameter of the Cone = 28 CM.We Know :-Volume of a Cone :-Where :-r = Radius of the coneh = Height of the coneNote :-The VALUE of π is taken as 22/7.Concept :-To find the radius of the base of the cone.We Know that , Given , Diameter = 28 cm.Putting the value in the diameter , we GET :Hence the Radius of the Cone is 14 cm.Solution :-Given :-Radius = 14 cmπ = 22/7Volume = 9856 cm³Taken :-Let the height be h cm.Now , using the formula for volume of a Cone and Substituting the values in it ,we get :Hence, the height of the Cone is 48 cm cm. |
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