mohit painted the outside of a box of length 2.5 m breadth 2 m and height 1 m . how much surface area did he cover, if he painted all except the bottom of the box.
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it is curved area surface
2(l+b)h
2(2.5+2)1=5+4*1
=9
2(l+b)h
2(2.5+2)1=5+4*1
=9
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