Question

The diagram shows a cuboid What is the surface area of the cuboid? 4cm,5cm and 9cm

Answer 1

Answer:

surface area of a cuboid=2(L*W)+ 2(L*H)+ 2(W*H)

2(9*5)+2(9*4)+2(5*4)

$2 \times 45 + 2 \times 36 + 2 \times 20$

$90 + 72 + 40 = 202 {cm}^{2}$