the surface areas of two spheres are in the ratio 16:9 the ratios of thgeir volume is

Let 
r1 = radius of first spherer2 = radius of second spherenow,surface area of first spheresurface area of second sphere = 1694πr124πr22=169r1r2 = 43    ....(1)vol. of first spherevol. of second sphere=43πr1343πr23 = r1r23 = 433 = 6427

  • 21
What are you looking for?