find the surface area of a box open from the top whose shape is like a cube of edge 30 CM
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Answer:
4500 sq.cm
Step-by-step explanation:
cubical open box : s = 30 cm
T.S.A of cube = 5s^2 (6s^2-a^2= 5s^2 )
=5*900
=900*5
=4500 sq.cm
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