Question

Find the surface area of a open box of cardboard whose dimensions are 24cm, 18cm and 14cm

Answer 1

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Explanation:

l = 24 cm

b = 18 cm

h = 14 cm

S.A of cuboid = 2 (l+b) × h

= 2 (42) × 14

= 84 × 14

= 1,176 cm²