Question

น )
1.5 long
A
1.25m
I plastic box
to be made
wide and 65cm deep is
It is opened at the top (1) The area
the sheet requried for
making the box​

Answer 1

Answer

Dimensions: 1.5m ×1.25m ×0.65m

(i) Area of sheet required for making the box

=TSA−upper face area

=2(1.5×0.65+1.5×1.25×1.25×0.65)−(1.5×1.25)

=5.45m

2

(ii) Cost =5.45×20

=Rs. 109.

Answer 2

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