The internal and external diameter of a hollow hemispherical vessel are 42 CM and 45.5cm respectively find the capacity and also its outer curved surface area
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capacity if hemisphere = 2/3*22/7*42/2*42/2*42/2
= 19404 cm^3
outer curved surface area = 2*22/7*45.5*45.5
= 222.75 cm^2
hope it is right
= 19404 cm^3
outer curved surface area = 2*22/7*45.5*45.5
= 222.75 cm^2
hope it is right
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