Math, asked by sapna69, 1 year ago

The lateral surface area of cylinder of hight 21 cm is
 {924cm}^{2}
find \: its \: radius \: of \: the \: base \: and \: its \: volume

Answers

Answered by Panzer786
7
Hii ☺ !!




Here is your answer✓ ✓ ✓ ✓



Height of cylinder ( H ) = 21 cm

Lateral surface area of cylinder = 924



2πRH = 924


2 × 22/7 × R × 21 = 924



R = ( 924 × 7 ) / ( 2 × 22 × 21 )



R = 6468 / 924


R = 7 cm.




Radius of cylinder ( R ) = 7 cm.


Therefore,


Volume of cylinder = πR²H = 22/7 × 7² × 21 = ( 2 × 7 × 21 ) = 3234 cm³.




☺ Hope it will help you ☺




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Answered by Anonymous
3
❤BE BRAINLY❤

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HOPE IT HELPS YOU ☺...

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silu12: same to u bro
sapna69: Thnq so much for ur help @Priyanshu
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