A soild right circular cone or radius 4cm and height 7cm is melted to form a sphere.find the radius of sphere
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· a solid right circular cone of radius 4cm and height 7cm is melted to form a sphere Find the radius of the sphere.
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given that
radius of right circular cone
R=4 cm
height of cone
H=7 cm
let radius of sphere be r
volume of cone = pie r^2l
= 22/7×16× root (49+16)
= 22/7×16* root 65
volume of cone = 4/3 pie r^3
Pi×16×8.06=pie 4/3 pie r^3
r^3=12×8.06
r=0.10
radius of right circular cone
R=4 cm
height of cone
H=7 cm
let radius of sphere be r
volume of cone = pie r^2l
= 22/7×16× root (49+16)
= 22/7×16* root 65
volume of cone = 4/3 pie r^3
Pi×16×8.06=pie 4/3 pie r^3
r^3=12×8.06
r=0.10
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