Question

A cubical box has each edge 10cm and another cubical box is 12.5 cm long ,10 wide and 8 cm high (1)which box has the greater lateral surface area and by how much ??

Answer 1

LSA of cube is greater than LSA of cuboid

Answer 2

Answer:

Lateral surface area of cube = 4a2

4 × 102 = 400 cm2

6

Length of cuboidal box = 12.5 cm

Breadth = 10 cm

Height = 8 cm

Lateral surface area = 2[l + b]h

= 2[12.5 + 10]8

= 16 × 22.5 = 360 cm2

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