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CBSE Class 10 Answered

Solve:
Asked by nkrbasak | 04 Mar, 2011, 06:31: PM
answered-by-expert Expert Answer
dear student,
let r be the radius of cyli
ATQ,
height of the full vault=2r
 radius of hemi portion =r ..as hemi is surmounted on cyli
so,
height of cylii=h=2r-r=r
so
vol of cyli+vol of the hemi. dome=17.7
now solve to get r and then h
Answered by | 04 Mar, 2011, 08:12: PM

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