Question
Find the curved surface area of cone whose height is 3 m
and radius is 4 m. (approximate value) (The value of π is 22/7)Solution
Given -h=3m and r= 4m The surface area of the cone = πrl So now – l= √ (9+16) =5 CSA of cone = (22/7) ×4×5 =12.5×5 =62.5 m2 (Approx)
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