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CBSE Class 9 Answered

  A tomb 21 m high is in the form of a cylinder surmounted by a hemisphere of radius 7 m. Find the total surface area of the tomb.
Asked by Topperlearning User | 18 Oct, 2017, 03:21: PM
answered-by-expert Expert Answer

Radius of the hemispherical part = Radius of the cylindrical part (r) = 7 m

Height of cylindrical part (h) = 14 m,

Total surface area of the tomb = Curved surface area of the hemispherical part + curved surface area of the cylindrical part

  =

 

Answered by | 18 Oct, 2017, 05:21: PM

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