the cuboid is made up made by joining the edges of three identical cubes each having a volume of 125 cm cube find the total surface area of the cuboid thus formed
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a3 =125
a = 5
length = 5+5+5 = 15cm
Breadth = 5cm
Height = 5cm
Total surface area of cuboid = 2(lb+bh+hl)
2(15cm×5cm+5cm×5cm+5cm×15cm)
2(75sq.cm+25sq.cm+75sq.cm)
2(175sq.cm)
350 sq.cm
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