A cubical rectangular bar has the dimensions with the ratio 5 : 4 : 3. Its volume is 7500. What
is the surface
area of the bar?

• volume of cubiod is lbh:5x*4x*3x=7500;
  x=5
  now,area is 2(lb+bh+lh):2(25*20+20*15+25*15)=2350.
  
  therefore,area=2350
• 12 years agoHelpfull: Yes(8) No(0)