Three cubes, each of side 5 cm, are joined together side by side. Find the total surface area of the resulting cube
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Three cubes=1cuboid
Length of cuboid=5×3=15cm
Breadth and height are 5cm
TSA=2(15cm×5cm+5×5cm^2+15×5cm^2)
2×175cm.sq.
350cm sq.
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