Three cubes each of side 5 cm are joined end to end .find the surface area of resulting cuboids.
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<html>
<body>
<font face="verdana">3 cubes are joined so front side=5+5+5=15
Rest of the sides are of 5cm.....
Area of cuboid=2(lh+bh+lb)
=2(5×15+5×5+5×15)
=2(75+25+75)
=2×175
=>350 ....( Ans ) </font>
</html>
</body>
<body>
<font face="verdana">3 cubes are joined so front side=5+5+5=15
Rest of the sides are of 5cm.....
Area of cuboid=2(lh+bh+lb)
=2(5×15+5×5+5×15)
=2(75+25+75)
=2×175
=>350 ....( Ans ) </font>
</html>
</body>
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