The radius r is changed into 4r while the height is (1/5)h The original volume of the cone is V = (1/3)πr²h. The new volume of the cone becomes V = (1/3)π(4r)²(h/5) = (4²)(1/5)(1/3)r²h = (16/5)(1/3)πr²h Hence, the volume is changed by the factor of 16/5.
