Question

Meagan needs to paint the outside of a box

for an art project. The box is 18 cm by
5 cm by 2 cm. What surface area does she
need to paint?

Answer 1

Surface area of cubic= 2( lb+bh+hl)

Length= 18 cm

Width= 5 cm

Height= 2cm

`s.a = 2(18 * 5 + 5 * 2 + 2 * 18) \\ = 272 \: cm {}^(2)`