Question

1. Given below are the dimensions of a cuboid in metres. Find its (i) lateral surface area and (ii) total surface area.
(c) l = 45, b = 30, h = 20​

Answer 1

Step-by-step explanation:

l=15m,B=6m,&h=9dmVolume=l×b×h=15×6×9=810m3TSA=2(lB+Bh+hl)TSA=2(15×6+9×6+15×9)TSA=558m2LSA=2(l×h+B×h)LSA=2(15×9+6×9)LSA=378m2