Question

a cuboid is 12cm long, 9cm broad,8cmhigh find t.s.a​

Answer 1

Answer

given

l=12cm

b=9cm

h=8cm

so,

t.s.a is 2[lb+bh+hl]

= 2[12×9+9×8+8×12]

= 2[108+72+96]

=2[276]

=552$cm^{2}$

Answer 2

Step-by-step explanation:

surface area of cuboid=2(lb+bh+hl)

=2(12*9+9*8+8*12)

=108+72+96)

=2(276)

=552cm^2

math me brainlist