numerical value of a spheres volume is 5 times of spheres surface area .r of sphere is.
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The Volume of shpere = 5 * Surafce Area of sphere So, 4/3*22/7*r^3 = 5 * 4 * 22/7 * r^2 On solving u will get the value of r = 15....... Thank You!!!
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here is ur answer
let the volume of shree
=x=4/3πr3
a/q
sa=x/5=4πr2
x=20πr2
from eq 1.and 2
4/3πr3=20πr2
=1/3π=5
r=15 cm
ok...
it s help u..
let the volume of shree
=x=4/3πr3
a/q
sa=x/5=4πr2
x=20πr2
from eq 1.and 2
4/3πr3=20πr2
=1/3π=5
r=15 cm
ok...
it s help u..
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