Question

The T.S.A of a cuboid whose length, breadth and height are 20 cm, 10 cm and 40 cm respectively is​

Answer 1

2800

Step-by-step explanation:

length=20cm

breadth=10cm

height=40cm

Now,

T.S.A of cuboid=2(lb+bh+hl)

=2(20*10+10*40+40*20)

=2(200+400+800)

=2*14000

=2800