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Calculate the total surface area of the outside of an open box (without a lid ) which has a base measuring 1.0 m by 0.8 m and has a height of 0.5 m



T.S.A of the box
= L.S.A of cuboid+area of base
0 0 0
The surface area of the box=lateral surface area of the box+area of its base
                                              =2.6 m^{2}
             Therefore the surface area of the box is 2.6 m^{2}
0 0 0
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