Math, asked by anubhavyadav12345566, 5 hours ago

Question : Find (i) the curved surface area and (ii) the total surface area of a hemisphere of radius 21 cm

Answers

Answered by Ayushi18yadav2008

4

Curved Surface area of a hemisphere =

2πr2 =2× 22/7 ×21×21=2772cm2 =Answer

Total surface area of a hemisphere=

3πr2 =3× 22/7×21×21=4158cm2 =Answer

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