Find the cost of a sheet required for making 25 cuboids of dimension 15cm by 10cm by 9cm at the rate of rupees 0.75 per cm cube Share with your friends Share 0 Josepaul Paulachan answered this Dear StudentLength = 15cmbreadth =10cmheight =9cmTotal surface area of one cuboid = 2lb+bh+hl=2((15×10)+(10×9)+(15×9))=2(150+90+135) = 750cm2Total surface area of 25 cuboid =25×750 =18750cm2rate =0.75 per cmCost of sheet = 18750×0.75 =Rs 14062.5Regards -1 View Full Answer