the total surface area of a solid hemisphere diameter 14 cm is, Area & Volume, General Mathematics

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Question:The total surface area of a solid hemisphere of diameter  $14$  cm is :

A  $462 cm^2$  
B  $308 cm^2$  
C  $1232 cm^2$  
D  $1848 cm^2$

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+ AnswerA

+ ExplanationThe total surface area 

 $= 3 π R^2$ 

 $= (3 xx 22/7 xx 7 xx 7) cm^2$ 

 $= 462 cm^2.$

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Question:The total surface area of a solid hemisphere of diameter 1414 cm is :