find 1. volume of solid 2. find curved surface area of the solid
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U can find Ur answer by the following steps:-
calculate the volume of cone by 1/3πr²h,where r= 3cm
calculate the volume of cylinder by πr²h,where r=3cm,h=25-4=21cm
Then,add them U will get your first answer
After that,
find the CSA of cone by πrl
where r=3cm,l=5cm
find the CSA of cylinder by2πrh
where r= 3cm,h=21cm
calculate the volume of cone by 1/3πr²h,where r= 3cm
calculate the volume of cylinder by πr²h,where r=3cm,h=25-4=21cm
Then,add them U will get your first answer
After that,
find the CSA of cone by πrl
where r=3cm,l=5cm
find the CSA of cylinder by2πrh
where r= 3cm,h=21cm
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