Question

How much metal sheet is required to make a closed rectangular box of length 1.5 m,

breadth 1.2 m and height 1.3 m ?


please give me answer



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Answer 1

Answer:

Surface area of rectangle = 2(lb+ bh+ hl)

= 2(1.5*1.2+1.2*1.3+1.3*1.5)

= 2( 1.80+1.56+1.59)

= 2(4.95)

= 9.90 square meter