Question

what is total surface area of hemisphere of radius 7cm​

Answer 1

Answer:

462 cm^2

Step-by-step explanation:

r = 7cm

T.S.A of hemisphere = 3πr^2

=> 3(22/7)(7)^2 cm^2

=> 462 cm^2

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Answer 2

Answer:

462 cm²

Step-by-step explanation:

Radius of the hemisphere, R= 7cm

Total surface area = 3πR²

=> 3 × 22/7 × 49

=> 3 × 22 × 7

=> 462 cm²