The total surface area of a cuboidal box whose length, breadth and height are 7cm , 5cm and 4cm respectively is ____sq.cm.
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Answer:
186 cm²
Step-by-step explanation:
T.S.A of cuboid = 2(lb+bh+hl)
= 2(35 + 30 + 28 )
= 2(93)
= 186 cm²
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