1.

A rectangular cardboard of dimension 20m × 10m is placed on a table. 4 squares of side 2.5m are cut out from the corners and the 4 sides are folded . Find the surface area of the resulting figure which is to be painted on all the sides.

Answer»

A rectangular cardboard of dimension 20m × 10m is placed on a table. 4 squares of side 2.5m are cut out from the corners and the 4 sides are folded . Find the surface area of the resulting figure which is to be painted on all the sides.




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