Question

If 6 cubes each of side 3 cm are joined end to end, then the surface area (in cm) of the
cuboid so formed is
1) 200
2) 250
3) 18
4)25​

Answer 1

$\huge\bold\red{ANSWER:}$

6 cubes each of side 3 cm

then the length of the new formed cuboid = 6× 3 = 18 cm

breadth of the cuboid = 3cm

Therefore, surface are of the cuboid = 2( lb + lh + bh)

= 2( 54 + 54 + 9 )

= 2( 118 + 9)

= 2×127 = 254 cm2

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