Question
A semicircular sheet of metal of diameter 14cm is bent
into an open conical cup. the capacity of the cup is. Use Ο = 22/7Solution
Diameter = 14 R = 14/2= 7 m Capacity of cup = Οr3 /8 β3 =22/7 Γ7Γ7Γ7)/ 8 Γ1.73 =1078/13.8 = 78.11cm3
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