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babymother [125]
3 years ago
9

Acompact disc box is 11.5 cm long,7 cm wide and 1.5 cm tall. What is the total surface area of a stack of five such compact disc

boxes?
Mathematics
1 answer:
REY [17]3 years ago
5 0

Answer:

<em>1,172.5cm²</em>

Step-by-step explanation:

Total surface area of a box = 2(LW + WH + LH)

L is the length = 11.5cm

W is the width = 7cm

H is the height = 1.5cm

Substitute

TSA = 2(11.5(7) + 7(1.5) + (11.5)(1.5))

TSA = 2(80.5+10.5+17.25)

TSA = 2(117.25)

TSA = 234.5cm²

<em>Hence  the total surface area of a stack of five such compact disc boxes will be 5(234.5) = 1,172.5cm²</em>

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