Four identical square pieces of side 2 c...

Four identical square pieces of side 2 cm are removed form the four corners of a square sheet of side 6 cm. The remaining paper is folded to form a cuboidal box without lid. Find the outer surface area of the box.

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The correct Answer is:

20 sq.cm

Side of a square paper `6cm`
Side of each square piece `=2cm`
Total surface area of a box =Area of the sheet -4 (Area of each piece)
`=6xx6-4(2xx2)`
`36-16=20sq.cm`.

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