Question

A music company wants to design a cardboard box for mailing a 22-CD set measuring 14.2 cm by 12.4 cm by 2.5 cm. what amount of suface area will the box have?

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Answer 1

• L=14.2
• B=12.4
• H=2.5

TSA

• 2(LB+BH+LH)
• 2(14.2×12.4+12.4×2.5+2.5×14.2)
• 486.2cm²

Answer 2

Solution given:

length[l]=14.2cm

breadth [b]=12.4cm

height [h]=2.5cm

we have

Surface area :2(lb+bh+lh)

• 2(14.2*12.4+12.4*2.5+14.2*2.5)
• 485.16 cm²

amount of suface area will the box have is 485.16 square centimetre.