The total surface area of a hemispherical bowl of radius 77 cm is
45602 cm2
55900 cm2
50002 cm2
55902 cm2
The total surface area of a hemispherical bowl of diameter 28 cm is
A hemispherical bowl is made of steel,0.25 cm thick.The inner radius of the bowl is 5 cm.Find the outer curved surface area of the bowl.