Mathematics
The total surface area of a hemisphere with radius 10 cm, taking π = 3.14, is :
942 cm2
94.2 cm2
9420 cm2
1882 cm2
Mensuration
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Answer
By formula,
Surface area of hemisphere = 3πr2
Substituting values we get :
⇒ 3 × 3.14 × 102
⇒ 3 × 3.14 × 100
⇒ 942 cm2.
Hence, Option 1 is the correct option.
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