Two cones have their heights in the ratio 1:3 and the radii of their bases in theratio 3:1. Find the ratio of their volumes

• the height of 1st cone 3
  the height of 2nd cone 9
  the radii of 1st cone 9
  the radii of 2nd cone 3
  volume of cone=(3.14×r^2×h)/3
  so,for ratio of volume 1st $2nd=((3.14×81×3/3)/(3.14×9×9/3)=763.02/84.78=9:1ans
  
• 11 years agoHelpfull: Yes(0) No(1)