Whitefox768
Answered

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find the total area of cardboard used in making a matchbox, complete with the sliding portion, 4cm long, 2.5cm wide, and 1.2cm deep (ignore the thickness of the cardboard)

Sagot :

Answer: 55.2 cm^2

Step-by-step explanation:


2(4x2.5 + 2.5x1.2 + 1.2x4) = 35.6 cm^2


(2x1.2x4 + 4x2.5) = 19.6 cm^2


(35.6 + 19.6) = 55.2 cm^2

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