> Solution Volume of sphere is given by (4/3)πr³ The ratio of volumes is given by (4/3)×π×R1³/ (4/3) ×π×R2³ Therefore ratio of volume of spheres is the cubes of their radii (R1/R2)³=125/64 (R1/R2)³=(5/4)³ Therefore the radii are in the ratio 5:4 6 Omar T. The ratio of the volumes of two spheres is 64:125. What is the ratio of their radii? 2 Answers By Expert Tutors |