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CBSE Class 9 Answered

Two hemispherical bowls are formed by cutting a spherical ball of diameter 28 cm from the centre. Calculate the total surface area of each of the hemispherical bowls so formed.

Asked by Topperlearning User | 18 Oct, 2017, 03:25: PM
Expert Answer

Diameter = 28 cm radius (r) =14 cm.

Let S be the total surface area of the hemispherical bowl.

 

begin mathsize 12px style straight S space equals space 3 πr squared
straight S space equals space 3 cross times 22 over 7 cross times 14 cross times 14
straight S space equals space 1848 space cm squared end style

Answered by | 18 Oct, 2017, 05:25: PM
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