the surface area of a sphere of radius 5cm is 5 times the CSA of the cone of radius 4 cm. find the volume of the cone?
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[tex]4 \pi r^{2}=5 \pi rl
[/tex]
100=20*l
l=5cm
[tex]1/3 \pi r^{2}h =1/3*22/7*16*3 =352/7 =50.285cm^{3}[/tex]
100=20*l
l=5cm
[tex]1/3 \pi r^{2}h =1/3*22/7*16*3 =352/7 =50.285cm^{3}[/tex]
Aksa1:
but I am really sorry to say that it is not the correct answer.
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