A diameter of 12 cm sphere glass melt to form three small sphere in which diameter ratio is 3:4:5 then find the radius of small sphere
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diameter=12...so radius=6
diameter ratio= 3:4:5= radius ratio
therefore
let the radius be 3x ,4x and 5x
4/3π(3x)^3+4/3π(4x)^3+4/3π(5x)^3= 4/3π(12)^3
[ now cancel ]
3x+4x+5x=12
12x=12
x=1
therefore the radius of small spheres are 3cm,4cm and 5cm
diameter ratio= 3:4:5= radius ratio
therefore
let the radius be 3x ,4x and 5x
4/3π(3x)^3+4/3π(4x)^3+4/3π(5x)^3= 4/3π(12)^3
[ now cancel ]
3x+4x+5x=12
12x=12
x=1
therefore the radius of small spheres are 3cm,4cm and 5cm
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