Question

Length of a cuboid is 9cm width is 6cm height is 3cm find total surface area and area of four walls ot the cuboid​

Answer 1

Answer:

we know that,

TSA of cuboid=2(lb+bh+hl)

=2(9×6+6×3+3×9)

=2(54+18+27)

=2(99)

=198. .....ans

Answer 2

Step-by-step explanation:

Length is 9cm

Width is 6cm

Height is 3cm

TSA of cuboid =2(lb+bh +lh)

=2((9*6)+(6*3)+(9*3))

2((54)+(18)+(27))

198cm^2

LSA =2(l+b)h

=2(9+6)3

=2*15*3

=30*3

=90cm^2