The ratio of the length : breadth : height of a cuboid is 5 : 4: 3, and the volume is 7500. What will be its surface area ?

• volume of cuboid lbh. let 5x,4x,3x be l,b,h reespectively.then 5x*4x*3x=7500. by solving we get x=5. for surface area formula is 2(lb+bh+hl)=2(500+300+375)=2350
• 12 years agoHelpfull: Yes(23) No(4)