Question

Find the surface areas of the cuboids whise dimensions are : ​

Answer 1

Answer:

1st cuboid=10200cm²

and

2nd cuboid=38712.5

Step-by-step explanation:

SA of a cuboid= 2×l×b+2×b×h+2×h×l

Answer 2

Answer:

TSA OF Cuboid

=2(lb+bh+lh)=2(8×12+12×15+8×15)=2(96+170+120)=2(386)=772sq.cm