a solid cube of side 7cm is melted to make a cone of height 5cm.find the radius of the base of the cone.
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v of cube = v of cone
7^3= 1/3*22/7*r^2*5
•°•r= 2.697 or 2.7cm(approx)
7^3= 1/3*22/7*r^2*5
•°•r= 2.697 or 2.7cm(approx)
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