The diameter of a right circular cone of metal is 0.2m and height is 40cm . A sphere is formed by melting it. Find the radius of the sphere
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d=0.2*100cm
=20cm
r=D/2
so radius =10cm
height of cone=10cm
volume of cone=1/3pie r^2h
= 1/3*100cm^2
*10cm
= 333.33cm^3
volume of cone is equal volume of sphere
333.33=4/3pie r^3
1000=4*22/7*r^3
7000/4 =r^3
root^3 1750 = r
r= 12.05 cm
may be helped full
=20cm
r=D/2
so radius =10cm
height of cone=10cm
volume of cone=1/3pie r^2h
= 1/3*100cm^2
*10cm
= 333.33cm^3
volume of cone is equal volume of sphere
333.33=4/3pie r^3
1000=4*22/7*r^3
7000/4 =r^3
root^3 1750 = r
r= 12.05 cm
may be helped full
Answered by
0
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